Question

A community psychologist selects a sample of 16 local police officers to test whether their physical endurance is better than the median score of 72. She measures their physical endurance on a 100-point physical endurance rating scale. Performance Scores 55 79 67 80 88 94 78 86 93 89 73 90 95 84 70 57 Based on the data given above, compute the one-sample sign test at a 0.05 level of significance. x = State whether to retain or reject the null hypothesis. Retain the null hypothesis. Reject the null hypothesis.

Answer 1

i have used minitab

Steps

1. Enter data
2. Name it x
3. 
4. ok

output

as pvalue >0.05 retain the null hypothesis.