Data for Exercise 6.41

Chesapea

## Format

A data frame/tibble with 16 observations on one variable

salinity

surface salinity measurements (in parts per 1000) for station 11, offshore from Annanapolis, Maryland, on July 3-4, 1927.

## Source

Davis, J. (1986) Statistics and Data Analysis in Geology, Second Edition. John 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


qqnorm(Chesapea$salinity) qqline(Chesapea$salinity)

shapiro.test(Chesapea$salinity) #> #> Shapiro-Wilk normality test #> #> data: Chesapea$salinity
#> W = 0.95048, p-value = 0.4973
#>
t.test(Chesapea$salinity, mu = 7) #> #> One Sample t-test #> #> data: Chesapea$salinity
#> t = -1.444, df = 15, p-value = 0.1693
#> alternative hypothesis: true mean is not equal to 7
#> 95 percent confidence interval:
#>  6.588356 7.079144
#> sample estimates:
#> mean of x
#>   6.83375
#>