A researcher is interested in determining if there is a significant difference in number of hours of studying in a week between male and female undergraduate students. 15 randomly selected males and...

A researcher is interested in determining if there is a significant difference in number of

hours of studying in a week between male and female undergraduate students. 15 randomly selected males and 15 randomly selected females from

across all majors were used in the study. The mean for females was determined to be 10

hours with a standard deviation of 2.5 hours and the mean for males was determined to be

7.25 with a standard deviation of 2.25 hours. Using an alpha of .05 is there enough

evidence that females study on average more than males??

a. Write the hypotheses for this scenario.

b. Is this one tailed or two tailed?

i. Why?

c. What statistical test would be used for this scenario?

i. Explain why.

Jun 10, 2022

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