The contingency table shows the results of a random sample of former smokers by the number...
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The contingency table shows the results of a random sample of former smokers by the number of times they tried to quit smoking before they were habitfree and gender. At = 0.05, can you conclude that the number of times they tried to quit before they were habitfree is related to gender? Perform the indicated chisquare independence test by completing parts (a) through (e). Number of times tried to quit before habitfree Gender Male Female 1 273 23 258 144 141 Calculate the degrees of freedom. d.f. = 2 Find the critical value. x = 5.99 (Round to two decimal places as needed.) Which region below is the correct rejection region? S OA. xx B. x > x Oc. xx OD. x = (c) Calculate the test statistic. If convenient, use technology. (Round to two decimal places as needed.) 4 or more 148 82 The contingency table shows the results of a random sample of former smokers by the number of times they tried to quit smoking before they were habitfree and gender. At = 0.05, can you conclude that the number of times they tried to quit before they were habitfree is related to gender? Perform the indicated chisquare independence test by completing parts (a) through (e). Number of times tried to quit before habitfree Gender Male Female 1 273 23 258 144 141 Calculate the degrees of freedom. d.f. = 2 Find the critical value. x = 5.99 (Round to two decimal places as needed.) Which region below is the correct rejection region? S OA. xx B. x > x Oc. xx OD. x = (c) Calculate the test statistic. If convenient, use technology. (Round to two decimal places as needed.) 4 or more 148 82
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Related Book For
Elementary Statistics Picturing The World
ISBN: 9780321911216
6th Edition
Authors: Ron Larson, Betsy Farber
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