Homework Help is Here – Start Your Trial Now!
Math
Statistics
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 α=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.

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 α=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.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
See similar textbooks
icon
Related questions
Question

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 α=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.

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 Gender 1 2-3 4 or more Male 271 258 150 Female 145 139 79 (a) Identify the claim and state Ho and Ha. Ho: The number of times former smokers tried to quit Ha: The number of times former smokers tried to quit Which hypothesis is the claim? Null hypothesis Alternative hypothesis (b) Determine the degrees of freedom, find the critical value, and identify the rejection region. Calculate the degrees of freedom. d.f. = Find the critical value. X6 = (Round to three decimal places as needed.) Which region below is the correct rejection region? O A. x2 < xổ O B. x2 2x3 Oc. x?sx3 O D. x2 >x3 (c) Calculate the test statistic. If convenient, use technology. x2 = (Round to three decimal places as needed.) (d) Decide whether to reject or fail to reject the null hypothesis. V Ho. (e) Interpret the decision in the context of the original claim. There V enough evidence at the 10% level of significance to conclude that number of times former smokers tried to quit Click to select your answer(s).
Transcribed Image Text: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 Gender 1 2-3 4 or more Male 271 258 150 Female 145 139 79 (a) Identify the claim and state Ho and Ha. Ho: The number of times former smokers tried to quit Ha: The number of times former smokers tried to quit Which hypothesis is the claim? Null hypothesis Alternative hypothesis (b) Determine the degrees of freedom, find the critical value, and identify the rejection region. Calculate the degrees of freedom. d.f. = Find the critical value. X6 = (Round to three decimal places as needed.) Which region below is the correct rejection region? O A. x2 < xổ O B. x2 2x3 Oc. x?sx3 O D. x2 >x3 (c) Calculate the test statistic. If convenient, use technology. x2 = (Round to three decimal places as needed.) (d) Decide whether to reject or fail to reject the null hypothesis. V Ho. (e) Interpret the decision in the context of the original claim. There V enough evidence at the 10% level of significance to conclude that number of times former smokers tried to quit Click to select your answer(s).
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 3 steps

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
Knowledge Booster
Chi-squared Tests
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.
Similar questions
Recommended textbooks for you
MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman
SEE MORE TEXTBOOKS