Thickness of a varved section of the Green river oil shale deposit near a major lake in the Rocky Mountains

Source: R/BSDA-package.R

Data for Exercises 6.45 and 6.98

Grnriv2

Format

A data frame/tibble with 101 observations on one variable

thick

varve thickness (in millimeters)

Source

J. Davis, Statistics and Data Analysis in Geology, 2nd Ed., Jon Wiley and Sons, New York.

References

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

Examples


stem(Grnriv2$thick)
#> 
#>   The decimal point is at the |
#> 
#>    2 | 8
#>    3 | 04678
#>    4 | 01225568
#>    5 | 67789
#>    6 | 0001334577888
#>    7 | 000011111122222223333455678889
#>    8 | 011112344667
#>    9 | 00235678
#>   10 | 028
#>   11 | 0014
#>   12 | 0013489
#>   13 | 2267
#>   14 | 0
#> 
t.test(Grnriv2$thick, mu = 8, alternative = "less")
#> 
#> 	One Sample t-test
#> 
#> data:  Grnriv2$thick
#> t = -0.65761, df = 100, p-value = 0.2561
#> alternative hypothesis: true mean is less than 8
#> 95 percent confidence interval:
#>      -Inf 8.258134
#> sample estimates:
#> mean of x 
#>  7.830693 
#>