Data for Exercise 5.25

Study

Format

A data frame/tibble with 50 observations on one variable

hours

number of hours a week freshmen reported studying for their courses

References

Kitchens, L. J. (2003) Basic Statistics and Data Analysis. Pacific Grove, CA: Brooks/Cole, a division of Thomson Learning.

Examples

stem(Study$hours) #> #> The decimal point is 1 digit(s) to the right of the | #> #> 0 | 5 #> 1 | 05 #> 2 | 0005558889 #> 3 | 00000223445555556778899 #> 4 | 00001123455 #> 5 | 0 #> 6 | 05 #> hist(Study$hours, col = "violet")

summary(Study\$hours)
#>    Min. 1st Qu.  Median    Mean 3rd Qu.    Max.
#>    5.00   29.25   35.00   34.06   40.00   65.00