Threshold reaction time for persons subjected to emotional stress

Data for Example 6.11

Reaction

Format

A data frame/tibble with 12 observations on one variable

time

threshold reaction time (in seconds) for persons subjected to emotional stress

References

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

Examples

stem(Reaction$time)
#> 
#>   The decimal point is at the |
#> 
#>    8 | 2
#>   10 | 3
#>   12 | 417
#>   14 | 2347048
#> 
SIGN.test(Reaction$time, md = 15, alternative = "less")
#> 
#> 	One-sample Sign-Test
#> 
#> data:  Reaction$time
#> s = 2, p-value = 0.03271
#> alternative hypothesis: true median is less than 15
#> 95 percent confidence interval:
#>      -Inf 14.82845
#> sample estimates:
#> median of x 
#>       14.25 
#> 
#> Achieved and Interpolated Confidence Intervals: 
#> 
#>                   Conf.Level L.E.pt  U.E.pt
#> Lower Achieved CI     0.9270   -Inf 14.7000
#> Interpolated CI       0.9500   -Inf 14.8285
#> Upper Achieved CI     0.9807   -Inf 15.0000
#>