A researcher uses a matched-subjects design to investigate whether single people with pets are happier than singles
Question:
a. Is there a significant difference in the mood scores for non-pet owners versus pet owners? Test with a = .05 for two tails.
b. Construct the 95% confidence interval to estimate the size of the mean difference in mood between the population of pet owners and the population of non-pet owners. (You should find that a mean difference of mD = 0 is an acceptable value, which is consistent with the conclusion from the hypothesis test.)
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Related Book For
Essentials Of Statistics For The Behavioral Sciences
ISBN: 9781133956570
8th Edition
Authors: Frederick J Gravetter, Larry B. Wallnau
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