Posted by Anonymous on Thursday, February 11, 2010 at 10:08am.
A researcher interested in relationships developed a questionnaire that measures the degree of affection adult men feel for their fathers. She has found that for the general population the distribution is skewed to the right, the mean degree of affection is 60, and the standard deviation is 16. The researcher now is wondering if men who themselves have just become new fathers will score higher on the scale than men in general. She samples a group of 100 new fathers and finds that their mean is 64.5.
What is the mean of the comparison distribution?

statistics  PsyDAG, Thursday, February 11, 2010 at 10:32am
With the information provided, the best estimate is 64.5.
I hope this helps. If not, repost your question in more detail.

staytistics  Anonymous, Friday, February 12, 2010 at 7:59am
A researcher interested in relationships developed a questionnaire that measures the degree of affection adult men feel for their fathers. She has found that for the general population the distribution is skewed to the right, the mean degree of affection is 60, and the standard deviation is 16. The researcher now is wondering if men who themselves have just become new fathers will score higher on the scale than men in general. She samples a group of 100 new fathers and finds that their mean is 64.5.
What is the research hypothesis?
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