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 habit-free and gender. At a = 0.10, can you conclude that the number of times they tried to quit before they were habit-free is related to gender? Perform the indicated chi-square independence test by completing parts (a) through (e) below. Number of times tried to quit before habit-free e 4 or more Gender 2-3 Male Female 273 146 258 139 147 79 (a) Identify the claim and state Ho and Ha. Họ: The number of times former smokers tried to quit is independent of gender. Ha: The number of times former smokers tried to quit is dependent on gender. Which hypothesis is the claim? V Alternative hypothesis O Null hypothesis (b) Determine the degrees of freedom, find the critical value, and identify the rejection region. Calculate the degrees of freedom. Enter vour answer in the answer h ox and then click Check Answer
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 habit-free and gender. At a = 0.10, can you conclude that the number of times they tried to quit before they were habit-free is related to gender? Perform the indicated chi-square independence test by completing parts (a) through (e) below. Number of times tried to quit before habit-free e 4 or more Gender 2-3 Male Female 273 146 258 139 147 79 (a) Identify the claim and state Ho and Ha. Họ: The number of times former smokers tried to quit is independent of gender. Ha: The number of times former smokers tried to quit is dependent on gender. Which hypothesis is the claim? V Alternative hypothesis O Null hypothesis (b) Determine the degrees of freedom, find the critical value, and identify the rejection region. Calculate the degrees of freedom. Enter vour answer in the answer h ox and then click Check Answer
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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(c) Calculate the test statistic.
d) Decide whether to reject or fail to reject the null hypothesis. Then interpret the decision in the context of the original claim.
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