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 ch independence test by completing parts (a) through (e) below. Gender Male Female Number of times tried to quit before habit-free 2-3 256 141 1 270 148 4 or more 150 81 (a) Identify the claim and state Ho and H, Ho: The number of times former smokers tried to quit (1) H The number of times former smokers tried to quit (2) Which hypothesis is the claim? O Null hypothesis O Alternative hypothesis (b) Determine the degrees of freedom, find the critical value, and identify the rejection region. Calculate the degrees of freedom. df. = Find the critical value. (Round to three decimal places as needed.) Which region below is the correct rejection region? OA. r>r OB. rsr Oc Pr OD. r
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 ch independence test by completing parts (a) through (e) below. Gender Male Female Number of times tried to quit before habit-free 2-3 256 141 1 270 148 4 or more 150 81 (a) Identify the claim and state Ho and H, Ho: The number of times former smokers tried to quit (1) H The number of times former smokers tried to quit (2) Which hypothesis is the claim? O Null hypothesis O Alternative hypothesis (b) Determine the degrees of freedom, find the critical value, and identify the rejection region. Calculate the degrees of freedom. df. = Find the critical value. (Round to three decimal places as needed.) Which region below is the correct rejection region? OA. r>r OB. rsr Oc Pr OD. r
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 42PFA
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