Smokers Nonsmokers 49 ON 71 70 o2 o0 o 100 ON 15 58 17 so 9...

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Smokers Nonsmokers 49 ON 71 70 o2 o0 o 100 ON 15 58 17 so 9 1s 63 S8 S8 ing would decrease the ability to perform activities, specifically rope- amping in this case. And he wants to use statistics to test this claim. a) Construct the hypothesis for this test (5 pts) b) Using α 0.05 choose the appropriate kind of test and provide the result for this hypothesis test (10 pts)

math Statistics-And-Probability

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Answer 1

Answer #1

Null hypothesis: H: d-0 Alternative hypothesis. H. :4 < 0 Level of significance, a 0.05 Degree of freedom: df-n-1-19-1- 18 Critical values: by using the t-tables, the critical values at tailed t-distribution is -tos1.734 Test statistic: a 0.05 and df- 18 for a right Computation: Smokers Non smokers a d,-d 59 53 47 65 68 68 59 60 -13 -8 24 10 -8 72 61 71 76 67 76 71 71 70 62 62 68 67 71 53.52078 187.257:3 881.1517 18.62613 187.257:3 21.94173 514.5729 278.3625 114.1521 215.6257 114.1521 2.83653 136.5205 114.1521 349.099:3 -5 9 -5 4 -6 -5 -13 61 57 62 62 58