Reference

All functions
Abbey	Daily price returns (in pence) of Abbey National shares between 7/31/91 and 10/8/91
Abc	Three samples to illustrate analysis of variance
Abilene	Crimes reported in Abilene, Texas
Ability	Perceived math ability for 13-year olds by gender
Abortion	Abortion rate by region of country
Absent	Number of absent days for 20 employees
Achieve	Math achievement test scores by gender for 25 high school students
Adsales	Number of ads versus number of sales for a retailer of satellite dishes
Aggress	Agressive tendency scores for a group of teenage members of a street gang
Aid	Monthly payments per person for families in the AFDC federal program
Aids	Incubation times for 295 patients thought to be infected with HIV by a blood transfusion
Airdisasters	Aircraft disasters in five different decades
Airline	Percentage of on-time arrivals and number of complaints for 11 airlines
Alcohol	Ages at which 14 female alcoholics began drinking
Allergy	Allergy medicines by adverse events
Anesthet	Recovery times for anesthetized patients
Anxiety	Math test scores versus anxiety scores before the test
Apolipop	Level of apolipoprotein B and number of cups of coffee consumed per day for 15 adult males
Append	Median costs of an appendectomy at 20 hospitals in North Carolina
Appendec	Median costs of appendectomies at three different types of North Carolina hospitals
Aptitude	Aptitude test scores versus productivity in a factory
Archaeo	Radiocarbon ages of observations taken from an archaeological site
Arthriti	Time of relief for three treatments of arthritis
Artifici	Durations of operation for 15 artificial heart transplants
Asprin	Dissolving time versus level of impurities in aspirin tablets
Asthmati	Asthmatic relief index on nine subjects given a drug and a placebo
Attorney	Number of convictions reported by U.S. attorney's offices
Autogear	Number of defective auto gears produced by two manufacturers
Backtoback	Illustrates inferences based on pooled t-test versus Wilcoxon rank sum test
Bbsalaries	Baseball salaries for members of five major league teams
Bigten	Graduation rates for student athletes and nonathletes in the Big Ten Conf.
Biology	Test scores on first exam in biology class
Birth	Live birth rates in 1990 and 1998 for all states
Blackedu	Education level of blacks by gender
Blood	Blood pressure of 15 adult males taken by machine and by an expert
Board	Incomes of board members from three different universities
Bones	Bone density measurements of 35 physically active and 35 non-active women
Books	Number of books read and final spelling scores for 17 third graders
Bookstor	Prices paid for used books at three different bookstores
Brain	Brain weight versus body weight of 28 animals
Bumpers	Repair costs of vehicles crashed into a barrier at 5 miles per hour
Bus	Attendance of bus drivers versus shift
Bypass	Median charges for coronary bypass at 17 hospitals in North Carolina
CIsim()	Confidence Interval Simulation Program
Cabinets	Estimates of costs of kitchen cabinets by two suppliers on 20 prospective homes
Cancer	Survival times of terminal cancer patients treated with vitamin C
Carbon	Carbon monoxide level measured at three industrial sites
Cat	Reading scores on the California achievement test for a group of 3rd graders
Censored	Entry age and survival time of patients with small cell lung cancer under two different treatments
Challeng	Temperatures and O-ring failures for the launches of the space shuttle Challenger
Chemist	Starting salaries of 50 chemistry majors
Chesapea	Surface salinity measurements taken offshore from Annapolis, Maryland in 1927
Chevy	Insurance injury ratings of Chevrolet vehicles for 1990 and 1993 models
Chicken	Weight gain of chickens fed three different rations
Chipavg	Measurements of the thickness of the oxide layer of manufactured integrated circuits
Chips	Four measurements on a first wafer and four measurements on a second wafer selected from 30 lots
Cigar	Milligrams of tar in 25 cigarettes selected randomly from 4 different brands
Cigarett	Effect of mother's smoking on birth weight of newborn
Citrus	Percent of peak bone density of different aged children
Clean	Residual contaminant following the use of three different cleansing agents
Coaxial	Signal loss from three types of coxial cable
Coffee	Productivity of workers with and without a coffee break
Coins	Yearly returns on 12 investments
Combinations()	Combinations
Commute	Commuting times for selected cities in 1980 and 1990
Concept	Tennessee self concept scale scores for a group of teenage boys
Concrete	Compressive strength of concrete blocks made by two different methods
Corn	Comparison of the yields of a new variety and a standard variety of corn planted on 12 plots of land
Correlat	Exercise to illustrate correlation
Counsel	Scores of 18 volunteers who participated in a counseling process
Cpi	Consumer price index from 1979 to 1998
Crime	Violent crime rates for the states in 1983 and 1993
Darwin	Charles Darwin's study of cross-fertilized and self-fertilized plants
Dealers	Automobile dealers classified according to type dealership and service rendered to customers
Defectiv	Number of defective items produced by 20 employees
Degree	Percent of bachelor's degrees awarded women in 1970 versus 1990
Delay	Delay times on 20 flights from four major air carriers
Depend	Number of dependent children for 50 families
Detroit	Educational levels of a sample of 40 auto workers in Detroit
Develop	Demographic characteristics of developmental students at 2-year colleges and 4-year colleges
Devmath	Test scores for students who failed developmental mathematics in the fall semester 1995
Dice	Outcomes and probabilities of the roll of a pair of fair dice
Diesel	Diesel fuel prices in 1999-2000 in nine regions of the country
Diplomat	Parking tickets issued to diplomats
Disposal	Toxic intensity for manufacturing plants producing herbicidal preparations
Dogs	Rankings of the favorite breeds of dogs
Domestic	Rates of domestic violence per 1,000 women by age groups
Dopamine	Dopamine b-hydroxylase activity of schizophrenic patients treated with an antipsychotic drug
Dowjones	Closing yearend Dow Jones Industrial averages from 1896 through 2000
Drink	Opinion on referendum by view on moral issue of selling alcoholic beverages
Drug	Number of trials to master a task for a group of 28 subjects assigned to a control and an experimental group
Dyslexia	Data on a group of college students diagnosed with dyslexia
EDA()	Exploratory Data Anaalysis
Earthqk	One hundred year record of worldwide seismic activity(1770-1869)
Educat	Crime rates versus the percent of the population without a high school degree
Eggs	Number of eggs versus amounts of feed supplement
Elderly	Percent of the population over the age of 65
Energy	Amount of energy consumed by homes versus their sizes
Engineer	Salaries after 10 years for graduates of three different universities
Entrance	College entrance exam scores for 24 high school seniors
Epaminicompact	Fuel efficiency ratings for compact vehicles in 2001
Epatwoseater	Fuel efficiency ratings for two-seater vehicles in 2001
Executiv	Ages of 25 executives
Exercise	Weight loss for 30 members of an exercise program
Fabric	Measures of softness of ten different clothing garments washed with and without a softener
Faithful	Waiting times between successive eruptions of the Old Faithful geyser
Family	Size of family versus cost per person per week for groceries
Ferraro1	Choice of presidental ticket in 1984 by gender
Ferraro2	Choice of vice presidental candidate in 1984 by gender
Fertility	Fertility rates of all 50 states and DC
Firstchi	Ages of women at the birth of their first child
Fish	Length and number of fish caught with small and large mesh codend
Fitness	Number of sit-ups before and after a physical fitness course
Florida2000	Florida voter results in the 2000 presidential election
Fluid	Breakdown times of an insulating fluid under various levels of voltage stress
Food	Annual food expenditures for 40 single households in Ohio
Framingh	Cholesterol values of 62 subjects in the Framingham Heart Study
Freshman	Ages of a random sample of 30 college freshmen
Funeral	Cost of funeral by region of country
Galaxie	Velocities of 82 galaxies in the Corona Borealis region
Gallup	Results of a Gallup poll on possession of marijuana as a criminal offense conducted in 1980
Gasoline	Price of regular unleaded gasoline obtained from 25 service stations
German	Number of errors in copying a German passage before and after an experimental course in German
Golf	Distances a golf ball can be driven by 20 professional golfers
Governor	Annual salaries for state governors in 1994 and 1999
Gpa	High school GPA versus college GPA
Grades	Test grades in a beginning statistics class
Graduate	Graduation rates for student athletes in the Southeastern Conf.
Greenriv	Varve thickness from a sequence through an Eocene lake deposit in the Rocky Mountains
Grnriv2	Thickness of a varved section of the Green river oil shale deposit near a major lake in the Rocky Mountains
Groupabc	Group data to illustrate analysis of variance
Groups	An illustration of analysis of variance
Gym	Children's age versus number of completed gymnastic activities
Habits	Study habits of students in two matched school districts
Haptoglo	Haptoglobin concentration in blood serum of 8 healthy adults
Hardware	Daily receipts for a small hardware store for 31 working days
Hardwood	Tensile strength of Kraft paper for different percentages of hardwood in the batches of pulp
Heat	Primary heating sources of homes on indian reservations versus all households
Heating	Fuel efficiency ratings for three types of oil heaters
Hodgkin	Results of treatments for Hodgkin's disease
Homes	Median prices of single-family homes in 65 metropolitan statistical areas
Homework	Number of hours per week spent on homework for private and public high school students
Honda	Miles per gallon for a Honda Civic on 35 different occasions
Hostile	Hostility levels of high school students from rural, suburban, and urban areas
Housing	Median home prices for 1984 and 1993 in 37 markets across the U.S.
Hurrican	Number of storms, hurricanes and El Nino effects from 1950 through 1995
Iceberg	Number of icebergs sighted each month south of Newfoundland and south of the Grand Banks in 1920
Income	Percent change in personal income from 1st to 2nd quarter in 2000
Independent	Illustrates a comparison problem for long-tailed distributions
Indian	Educational attainment versus per capita income and poverty rate for American indians living on reservations
Indiapol	Average miles per hour for the winners of the Indianapolis 500 race
Indy500	Qualifying miles per hour and number of previous starts for drivers in 79th Indianapolis 500 race
Inflatio	Private pay increase of salaried employees versus inflation rate
Inletoil	Inlet oil temperature through a valve
Inmate	Type of drug offense by race
Inspect	Percent of vehicles passing inspection by type inspection station
Insulate	Heat loss through a new insulating medium
Iqgpa	GPA versus IQ for 12 individuals
Irises	R.A. Fishers famous data on Irises
Jdpower	Number of problems reported per 100 cars in 1994 versus 1995s
Jobsat	Job satisfaction and stress level for 9 school teachers
Kidsmoke	Smoking habits of boys and girls ages 12 to 18
Kilowatt	Rates per kilowatt-hour for each of the 50 states and DC
Kinder	Reading scores for first grade children who attended kindergarten versus those who did not
Laminect	Median costs of laminectomies at hospitals across North Carolina in 1992
Lead	Lead levels in children's blood whose parents worked in a battery factory
Leader	Leadership exam scores by age for employees on an industrial plant
Lethal	Survival time of mice injected with an experimental lethal drug
Life	Life expectancy of men and women in U.S.
Lifespan	Life span of electronic components used in a spacecraft versus heat
Ligntmonth	Relationship between damage reports and deaths caused by lightning
Lodge	Measured traffic at three prospective locations for a motor lodge
Longtail	Long-tailed distributions to illustrate Kruskal Wallis test
Lowabil	Reading skills of 24 matched low ability students
Magnesiu	Magnesium concentration and distances between samples
Malpract	Amounts awarded in 17 malpractice cases
Manager	Advertised salaries offered general managers of major corporations in 1995
Marked	Percent of marked cars in 65 police departments in Florida
Math	Standardized math test scores for 30 students
Mathcomp	Standardized math competency for a group of entering freshmen at a small community college
Mathpro	Math proficiency and SAT scores by states
Maze	Error scores for four groups of experimental animals running a maze
Median	Illustrates test of equality of medians with the Kruskal Wallis test
Mental	Median mental ages of 16 girls
Mercury	Concentration of mercury in 25 lake trout
Metrent	Monthly rental costs in metro areas with 1 million or more persons
Miller	Miller personality test scores for a group of college students applying for graduate school
Miller1	Twenty scores on the Miller personality test
Moisture	Moisture content and depth of core sample for marine muds in eastern Louisiana
Monoxide	Carbon monoxide emitted by smoke stacks of a manufacturer and a competitor
Movie	Moral attitude scale on 15 subjects before and after viewing a movie
Music	Improvement scores for identical twins taught music recognition by two techniques
Name	Estimated value of a brand name product and the conpany's revenue
Nascar	Efficiency of pit crews for three major NASCAR teams
Nervous	Reaction effects of 4 drugs on 25 subjects with a nervous disorder
Newsstand	Daily profits for 20 newsstands
Nfldraf2	Rating, time in 40-yard dash, and weight of top defensive linemen in the 1994 NFL draft
Nfldraft	Rating, time in 40-yard dash, and weight of top offensive linemen in the 1994 NFL draft
Nicotine	Nicotine content versus sales for eight major brands of cigarettes
Orange	Price of oranges versus size of the harvest
Orioles	Salaries of members of the Baltimore Orioles baseball team
Oxytocin	Arterial blood pressure of 11 subjects before and after receiving oxytocin
Parented	Education backgrounds of parents of entering freshmen at a state university
Patrol	Years of experience and number of tickets given by patrolpersons in New York City
Pearson	Karl Pearson's data on heights of brothers and sisters
Phone	Length of long-distance phone calls for a small business firm
Poison	Number of poisonings reported to 16 poison control centers
Politic	Political party and gender in a voting district
Pollutio	Air pollution index for 15 randomly selected days for a major western city
Porosity	Porosity measurements on 20 samples of Tensleep Sandstone, Pennsylvanian from Bighorn Basin in Wyoming
Poverty	Percent poverty and crime rate for selected cities
Precinct	Robbery rates versus percent low income in eight precincts
Prejudic	Racial prejudice measured on a sample of 25 high school students
Presiden	Ages at inauguration and death of U.S. presidents
Press	Degree of confidence in the press versus education level for 20 randomly selected persons
Prognost	Klopfer's prognostic rating scale for subjects receiving behavior modification therapy
Program	Effects of four different methods of programmed learning for statistics students
Psat	PSAT scores versus SAT scores
Psych	Correct responses for 24 students in a psychology experiment
Puerto	Weekly incomes of a random sample of 50 Puerto Rican families in Miami
Quail	Plasma LDL levels in two groups of quail
Quality	Quality control test scores on two manufacturing processes
Rainks	Rainfall in an area of west central Kansas and four surrounding counties
Randd	Research and development expenditures and sales of a large company
Rat	Survival times of 20 rats exposed to high levels of radiation
Ratings	Grade point averages versus teacher's ratings
Reaction	Threshold reaction time for persons subjected to emotional stress
Reading	Standardized reading scores for 30 fifth graders
Readiq	Reading scores versus IQ scores
Referend	Opinion on referendum by view on freedom of the press
Region	Pollution index taken in three regions of the country
Register	Maintenance cost versus age of cash registers in a department store
Rehab	Rehabilitative potential of 20 prison inmates as judged by two psychiatrists
Remedial	Math placement test score for 35 freshmen females and 42 freshmen males
Rentals	Weekly rentals for 45 apartments
Repair	Recorded times for repairing 22 automobiles involved in wrecks
Retail	Length of employment versus gross sales for 10 employees of a large retail store
Ronbrown1	Oceanography data obtained at site 1 by scientist aboard the ship Ron Brown
Ronbrown2	Oceanography data obtained at site 2 by scientist aboard the ship Ron Brown
Rural	Social adjustment scores for a rural group and a city group of children
SIGN.test()	Sign Test
SRS()	Simple Random Sampling
Salary	Starting salaries for 25 new PhD psychologist
Salinity	Surface-water salinity measurements from Whitewater Bay, Florida
Sat	SAT scores, percent taking exam and state funding per student by state for 1994, 1995 and 1999
Saving	Problem asset ration for savings and loan companies in California, New York, and Texas
Scales	Readings obtained from a 100 pound weight placed on four brands of bathroom scales
Schizop2	Exam scores for 17 patients to assess the learning ability of schizophrenics after taking a specified does of a tranquilizer
Schizoph	Standardized exam scores for 13 patients to investigate the learning ability of schizophrenics after a specified dose of a tranquilizer
Seatbelt	Injury level versus seatbelt usage
Selfdefe	Self-confidence scores for 9 women before and after instructions on self-defense
Senior	Reaction times of 30 senior citizens applying for drivers license renewals
Sentence	Sentences of 41 prisoners convicted of a homicide offense
Shkdrug	Effects of a drug and electroshock therapy on the ability to solve simple tasks
Shock	Effect of experimental shock on time to complete difficult task
Shoplift	Sales receipts versus shoplifting losses for a department store
Short	James Short's measurements of the parallax of the sun
Shuttle	Number of people riding shuttle versus number of automobiles in the downtown area
Simpson	Grade point averages of men and women participating in various sports-an illustration of Simpson's paradox
Situp	Maximum number of situps by participants in an exercise class
Skewed	Illustrates the Wilcoxon Rank Sum test
Skin	Survival times of closely and poorly matched skin grafts on burn patients
Slc	Sodium-lithium countertransport activity on 190 individuals from six large English kindred
Smokyph	Water pH levels of 75 water samples taken in the Great Smoky Mountains
Snore	Snoring versus heart disease
Snow	Concentration of microparticles in snowfields of Greenland and Antarctica
Soccer	Weights of 25 soccer players
Social	Median income level for 25 social workers from North Carolina
Sophomor	Grade point averages, SAT scores and final grade in college algebra for 20 sophomores
South	Murder rates for 30 cities in the South
Speed	Speed reading scores before and after a course on speed reading
Spellers	Standardized spelling test scores for two fourth grade classes
Spelling	Spelling scores for 9 eighth graders before and after a 2-week course of instruction
Sports	Favorite sport by gender
Spouse	Convictions in spouse murder cases by gender
Stable	Times of a 2-year old stallion on a one mile run
Stamp	Thicknesses of 1872 Hidalgo stamps issued in Mexico
Statclas	Grades for two introductory statistics classes
Statelaw	Operating expenditures per resident for each of the state law enforcement agencies
Statisti	Test scores for two beginning statistics classes
Step	STEP science test scores for a class of ability-grouped students
Stress	Short-term memory test scores on 12 subjects before and after a stressful situation
Study	Number of hours studied per week by a sample of 50 freshmen
Submarin	Number of German submarines sunk by U.S. Navy in World War II
Subway	Time it takes a subway to travel from the airport to downtown
Sunspot	Wolfer sunspot numbers from 1700 through 2000
Superbowl	Margin of victory in Superbowls I to XXXV
Supercar	Top speeds attained by five makes of supercars
Tablrock	Ozone concentrations at Mt. Mitchell, North Carolina
Teacher	Average teacher's salaries across the states in the 70s 80s and 90s
Tenness	Tennessee self concept scores for 20 gifted high school students
Tensile	Tensile strength of plastic bags from two production runs
Test1	Grades on the first test in a statistics class
Thermal	Heat loss of thermal pane windows versus outside temperature
Tiaa	1999-2000 closing prices for TIAA-CREF stocks
Ticket	Time to complete an airline ticket reservation
Toaster	Consumer Reports (Oct 94) rating of toaster ovens versus the cost
Tonsils	Size of tonsils collected from 1,398 children
Tort	The number of torts, average number of months to process a tort, and county population from the court files of the nation's largest counties
Toxic	Hazardous waste sites near minority communities
Track	National Olympic records for women in several races
Track15	Olympic winning times for the men's 1500-meter run
Treatments	Illustrates analysis of variance for three treatment groups
Trees	Number of trees in 20 grids
Trucks	Miles per gallon for standard 4-wheel drive trucks manufactured by Chevrolet, Dodge and Ford
Tv	Percent of students that watch more than 6 hours of TV per day versus national math test scores
Twin	Intelligence test scores for identical twins in which one twin is given a drug
Undergrad	Data set describing a sample of undergraduate students
Vacation	Number of days of paid holidays and vacation leave for sample of 35 textile workers
Vaccine	Reported serious reactions due to vaccines in 11 southern states
Vehicle	Fatality ratings for foreign and domestic vehicles
Verbal	Verbal test scores and number of library books checked out for 15 eighth graders
Victoria	Number of sunspots versus mean annual level of Lake Victoria Nyanza from 1902 to 1921
Viscosit	Viscosity measurements of a substance on two different days
Visual	Visual acuity of a group of subjects tested under a specified dose of a drug
Vocab	Reading scores before and after vocabulary training for 14 employees who did not complete high school
Wastewat	Volume of injected waste water from Rocky Mountain Arsenal and number of earthquakes near Denver
Weather94	Weather casualties in 1994
Wheat	Price of a bushel of wheat versus the national weekly earnings of production workers
Windmill	Direct current produced by different wind velocities
Window	Wind leakage for storm windows exposed to a 50 mph wind
Wins	Baseball team wins versus seven independent variables for National league teams in 1990
Wool	Strength tests of two types of wool fabric
Yearsunspot	Monthly sunspot activity from 1974 to 2000
normarea()	Normal Area
nsize()	Required Sample Size
ntester()	Normality Tester
tsum.test()	Summarized t-test
z.test()	Z-test
zsum.test()	Summarized z-test