Based on the research question below, determine the type of hypothesis test. Have the mean sales...
Based on the research question below, determine the type of
hypothesis test.
Have the mean sales decreased in the last year?
| Left-tailed |
| Right-tailed |
| Two-tailed |
| None of the above |
Homework Answers
Correct option:
Left - tailed
Research question is:Have the mean sales decreased in the last year.
So, we have:
H0: Null Hypothesis: 
HA: Alternative Hypothesis: 
Add Answer to:
Based on the research question below, determine the type of
hypothesis test.
Have the mean sales...
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