Question: A researcher believes that there is a difference in spatial reasoning ability of males compared to females, but she doesn't know which will have a

A researcher believes that there is a difference in spatial reasoning ability of males compared to females, but she doesn't know which will have a higher score.To test her theory, she gives a test to a group of males and a group of females.The test is scored on a 15-point scale.Higher scores are better.

There are 50 males and 50 females in the study.What are Ho and Ha?

A. Ho: mu(Males)=mu(Females); Ha:mu(Males)

B. Ho: mu(Males)=mu(Females); Ha:mu(Males)not=mu(Females)

C. Ho: mu(Males)not = mu(Females); Ha:mu(Males)=mu(Females)

D. Ho: mu(Difference)=0; Ha:mu(Difference not = 0)

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