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a researcher uses a match subjects design to investigate whether single people who own pets are generally happier than singles without pets. A mood inventory questionaire is administered to a group of 20-29 year old non pet owners and the similar age group of pet owners. The pet owners were matched one to one with the non pet owners for income, number of close friendships and general health. The date is as follows:

Matched              nonpet owner                 pet owner

A                              12                        14

B                             8                             7

C                            10                          13

D                              9                           9

E                              7                           13

F                             10                           12

Is there a significant difference for the mood scores for non pet owners versus pet owners. Test with alph=.05 for two tails. Provide the critical value, t statistic, and decision regarding the null hypothesis. Construct a 95% confidence interval to estimate the size of the mean differnce in mood between the population of pet owners and the population of non pet owners

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(Top Tutor) Daniel C.
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