1. Indicate which of the following hypotheses are one or two tailed and if one tailed,...

1. Indicate which of the following hypotheses are one or two tailed and if one tailed, indicate which side of the graph the tail would be found:
a. Having a pet reduces high blood pressure
b. Giving people more office space will modify their work habits
c. People who are taller make more money
d. Drinking coffee will affect a person heart rate

please help, thanks!

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Expert Solution

Tail of a hypothesis test is always determined by the alternative hypothesis Ha or H1 (both notations are used for alternative hypothesis)

orchestra answered 1 year ago

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