Median income level for 25 social workers from North Carolina

Data for Exercise 6.63

Social

Format

A data frame/tibble with 25 observations on one variable

income

annual income (in dollars) of North Carolina social workers with less than five years experience.

References

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

Examples

SIGN.test(Social$income, md = 27500, alternative = "less")
#> 
#> 	One-sample Sign-Test
#> 
#> data:  Social$income
#> s = 8, p-value = 0.05388
#> alternative hypothesis: true median is less than 27500
#> 95 percent confidence interval:
#>      -Inf 27424.05
#> sample estimates:
#> median of x 
#>       26500 
#> 
#> Achieved and Interpolated Confidence Intervals: 
#> 
#>                   Conf.Level L.E.pt   U.E.pt
#> Lower Achieved CI     0.9461   -Inf 27400.00
#> Interpolated CI       0.9500   -Inf 27424.05
#> Upper Achieved CI     0.9784   -Inf 27600.00
#>