Data for Exercise 6.53
Freshman
A data frame/tibble with 30 observations on one variable
a numeric vector of ages
Kitchens, L. J. (2003) Basic Statistics and Data Analysis. Pacific Grove, CA: Brooks/Cole, a division of Thomson Learning.
SIGN.test(Freshman$age, md = 19)
#>
#> One-sample Sign-Test
#>
#> data: Freshman$age
#> s = 13, p-value = 0.09625
#> alternative hypothesis: true median is not equal to 19
#> 95 percent confidence interval:
#> 19 20
#> sample estimates:
#> median of x
#> 19
#>
#> Achieved and Interpolated Confidence Intervals:
#>
#> Conf.Level L.E.pt U.E.pt
#> Lower Achieved CI 0.9013 19 20
#> Interpolated CI 0.9500 19 20
#> Upper Achieved CI 0.9572 19 20
#>