Select the appropriate action for this scenario H0 mean 831
Select the appropriate action for this scenario:
H0: mean = 83.1; H1: mean > 83.1
Two-tailed
Right-tailed
Left-tailed
| (a) | Two-tailed | |
| (b) | Right-tailed | |
| (c) | Left-tailed | 
Solution
Answer: B. Right-tailed
Because H1: mean > 83.1

