Answer to Question #141080 in Statistics and Probability for Margaret

Question

For each of the following pairs of null hypothesis (H0) and an alternative (H1)
A. H0 u=10 against H1 u-30
B. H0 u=30 against H1 u-30
C. H0 x=15 against H1 u-15
D. H0 u=75 against H1 u-75
Which pair is deemed in appropriate
1. Only C Because of sample mean
2. B and D Because of two -tail test
3. A and C Because of one- tail test
4. A, B and C Because of unordered value of u
5. Only Because of the largest value of u

Answer 1

2. B and D Because of two -tail test