Question

42 A researcher investigates whether single people who own pets are generally happier than singles without pets. A group of non-pet owners is compared to pet owners using a mood inventory. The pet owners are matched one to one with the non-pet owners for income, number of close friendships, and general health. Is there a significant difference in the mood scores for non-pet owners vs. pet owners? Test with 05 for two tails. Here are the data: 2 Point Blank Matched Pair Non-Pet Owner Pet Owner D Fill in the blanks in words: () Ind. Var (*) Dep. Var Good (.) (In symbols) He: ) (In symbols) H: (*) df = ) (d) = (*) ID= (•) D = (*) SS = () s = (5) Mp = * SMD= () t(df)t = Decision re He: (5) State your conclusion in plain English (no statistical slang!):

Answer 1

Matched Pais Men-Pet owner Pet owner Da Mon-pet owner - Pet owner TOOD oso I w 1o doo Ind. vas. The independent variable is two levels non-pet owner The dependent variable pet owners which has and pet owners, is the moch sure. Dep. var. Ho: Md=0 af = 67=5 ZD =-20 ss = 79?- = 123.33 MDF = -3.33 t (24) obt- mo =-.35 H. Mato (d) t = -3.16 or 3.16 zo² = 250 -66S = 6.66 Smp = 6.06/16 =247. SMD Conclusion: Tin estimated (af) = -1.35 is greater Than - 3.16 and less than 3.16. Hence, tail to reject the null hypotheses and conclude that there is no a significance difference in the mood scores for non-pet owness is pet owners at a 20.05.