Recorded times for repairing 22 automobiles involved in wrecks

Data for Exercise 5.77

Repair

Format

A data frame/tibble with 22 observations on one variable

time

time to repair a wrecked in car (in hours)

References

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

Examples

stem(Repair$time)
#> 
#>   The decimal point is 1 digit(s) to the right of the |
#> 
#>   0 | 234444
#>   0 | 5556666789
#>   1 | 00012
#>   1 | 
#>   2 | 3
#> 
SIGN.test(Repair$time, conf.level = 0.98)
#> 
#> 	One-sample Sign-Test
#> 
#> data:  Repair$time
#> s = 22, p-value = 4.768e-07
#> alternative hypothesis: true median is not equal to 0
#> 98 percent confidence interval:
#>  4.134847 9.512883
#> sample estimates:
#> median of x 
#>        5.65 
#> 
#> Achieved and Interpolated Confidence Intervals: 
#> 
#>                   Conf.Level L.E.pt U.E.pt
#> Lower Achieved CI     0.9475 4.5000 8.6000
#> Interpolated CI       0.9800 4.1348 9.5129
#> Upper Achieved CI     0.9831 4.1000 9.6000
#>