12.6 Test 2 Computer Practice

12.6 Test 2 Computer Practice - How satisfied are you with...

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Unformatted text preview: How satisfied are you with life? Does your age and/or your gender affect your satisfaction? Use alpha = 0.08. Life satisfaction questionnaires were given. Higher scores indicate a higher satisfaction with life. young adult Male Male Male Male Male Female Female Female Female Female middle adult 5 4 6 3 3 4 7 6 8 7 older adult 5 8 9 5 6 9 8 7 10 12 8 9 12 10 10 10 9 13 12 14 Answer: Anova: Two-­‐Factor With Replicatio SUMMARY young adult Male Count Sum Average Variance 5 21 4.2 1.7 Female Count Sum Average Variance 5 32 6.4 2.3 Total Count Sum Average Variance 10 53 5.3 3.1222222 ANOVA Source of Variation SS Sample 36.3 Columns 145.86667 Interaction 0.8 Within 70 Total 252.96667 -­‐Factor With Replication middle adult lder adult Total o 5 33 6.6 3.3 5 15 49 103 9.8 6.8666667 2.2 7.6952381 5 46 9.2 3.7 5 15 58 136 11.6 9.0666667 4.3 7.7809524 10 10 79 107 7.9 10.7 4.9888889 3.7888889 df 1 2 2 24 29 MS F P-­‐value F crit 36.3 12.445714 0.0017196 3.3417711 72.933333 25.005714 1.352E-­‐06 2.8112057 0.4 0.1371429 0.872524 2.8112057 2.9166667 Interaction first! Ho: mu1 = … = mu6 Ha: at least one mu differs F= .137 pval = .873 There is not enough evidence to conclude age and gender interact to affect satisfaction. AGE: Ho: mu1 = mu 2 = mu3 Ha: at least one mu differs F = 25.006 pval = 1.35E-­‐6 There is enogh evidence to conclude age affects satisfaction. GENDER Ho: mu1 = mu2 Ha: mu1 not = mu2 F = 12.446 pval = .002 There is enough evidence to conclude gender affects satisfaction. OVERALL CONCLUSION: Age and gender affect satisfaction with life independently. nclude age and gender e age affects satisfaction. de gender affects satisfaction. ONCLUSION: nder affect satisfaction with life, but do so ...
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