Question

10012 Hypothesis: Two Means: Independent Samples (textbooks Page 468 and video TES8.1) In a random sample of Chemistry and Mathematics textbooks is there enough evidence to claim that the mean price of chemistry textbooks is greater than the mean price of mathematics textbooks Sample size Mean Price Standard Deviations Mathematics Chemistry 39 4 1 103.56 104.17 11.245 8.726 Test the claim using the Traditional Method ( t-distribution) with a= 0.05. Do not assume that of = 0 Remember to number each step of the guidelines on page 379 (Also see pages 464-465) 15 points

Answer 1

Dag = 39 De=41 1Xips = 103.56, X5104.12 Sm 11.245 Sc = 8.726 te=0.05 Need and Alternative hypothesis, H, . И, – Дру) — vt illc> lry the test statistics es t = (x-Xin) - Cle-ll) Si S2 a ne --_104.13= 103.56 T8-73)*11=245) = 0062 2-2582 t = 0.2701 The p-value is o aggg Here, pavalue Q30105 . Hence, we accept to Il Conclusion. Accept Ho, there is not sufficient evidence to concluan the cloin 1