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Send data to Excel Length of smoking cessation period Between Less than two weeks At least one Total two weeks and one year year 57 121 82 69.55 260 Male 2.229 40 75 25 Sex Female 37.45 140 4.139 Total 97 196 107 400 Part 2 Answer the following to summarize the test of the hypothesis that there is no association betwee the length of the smoking cessation period. For your test, use the 0.05 level of significance. (a) Determine the type of test statistic to use. Type of test statistic: (Choose one) V (b) Find the value of the test statistic. (Round to two or more decimal places.) (c) Find the critical value for a test at the 0.05 level of significance. (Round to two or more decimal places.) (d) Can we conclude that there is an association between sex and the length of the sm ing cessation period? Use the 0.05 level of significance. Yes O No ロロ

Send data to Excel Length of smoking cessation period Between Less than two weeks At least one Total two weeks and one year year 57 121 82 69.55 260 Male 2.229 40 75 25 Sex Female 37.45 140 4.139 Total 97 196 107 400 Part 2 Answer the following to summarize the test of the hypothesis that there is no association betwee the length of the smoking cessation period. For your test, use the 0.05 level of significance. (a) Determine the type of test statistic to use. Type of test statistic: (Choose one) V (b) Find the value of the test statistic. (Round to two or more decimal places.) (c) Find the critical value for a test at the 0.05 level of significance. (Round to two or more decimal places.) (d) Can we conclude that there is an association between sex and the length of the sm ing cessation period? Use the 0.05 level of significance. Yes O No ロロ

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
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Send data to Excel Length of smoking cessation period Between Less than two weeks At least one Total two weeks and one year year 57 121 82 69.55 260 Male 2.229 40 75 25 Sex Female 37.45 140 口 4.139 Total 97 196 107 400 Part 2 Answer the following to summarize the test of the hypothesis that there is no association betwee the length of the smoking cessation period. For your test, use the 0.05 level of significance. (a) Determine the type of test statistic to use. Type of test statistic: (Choose one) ▼ (b) Find the value of the test statistic. (Round to two or more decimal places.) (c) Find the critical value for a test at the 0.05 level of significance. (Round to two or more decimal places.) (d) Can we conclude that there is an association between sex and the length of the smoking cessation period? Use the 0.05 level of significance. O Yes O No
Transcribed Image Text:Send data to Excel Length of smoking cessation period Between Less than two weeks At least one Total two weeks and one year year 57 121 82 69.55 260 Male 2.229 40 75 25 Sex Female 37.45 140 口 4.139 Total 97 196 107 400 Part 2 Answer the following to summarize the test of the hypothesis that there is no association betwee the length of the smoking cessation period. For your test, use the 0.05 level of significance. (a) Determine the type of test statistic to use. Type of test statistic: (Choose one) ▼ (b) Find the value of the test statistic. (Round to two or more decimal places.) (c) Find the critical value for a test at the 0.05 level of significance. (Round to two or more decimal places.) (d) Can we conclude that there is an association between sex and the length of the smoking cessation period? Use the 0.05 level of significance. O Yes O No
Among the huge body of literature on smoking are data detailing the relative S females in quitting smoking. A study of 400 adults (ages 20 and older) who began various smoking-cessation programs produced the data in the contingency table below. The table shows data from the study regarding two variables: the smoker's sex ("male" or "female") and the length of the smoking cessation period ("less than two weeks", "between two weeks and one year", or "at least one year"). In the table, "less than two weeks" means that the individual returned to smoking within two weeks of beginning the program, "between two weeks and one year" means that the individual survived the first two weeks but returned to smoking within a year, and "at least one year" means that the individual did not smoke for at least a year after beginning the program. The cells of the table each contain three numbers. The first number in each cell is the observed cell frequency (fo); the second number is the expected cell frequency (fF) under the assumption that there is no association between sex and the length of the smoking cessation period; and the third number is the following value. (fo-JE) (Observed cell frequency Expected cell frequency SE Expected cell frequency ne numbers labeled "Total" are totals for observed frequency.
Transcribed Image Text:Among the huge body of literature on smoking are data detailing the relative S females in quitting smoking. A study of 400 adults (ages 20 and older) who began various smoking-cessation programs produced the data in the contingency table below. The table shows data from the study regarding two variables: the smoker's sex ("male" or "female") and the length of the smoking cessation period ("less than two weeks", "between two weeks and one year", or "at least one year"). In the table, "less than two weeks" means that the individual returned to smoking within two weeks of beginning the program, "between two weeks and one year" means that the individual survived the first two weeks but returned to smoking within a year, and "at least one year" means that the individual did not smoke for at least a year after beginning the program. The cells of the table each contain three numbers. The first number in each cell is the observed cell frequency (fo); the second number is the expected cell frequency (fF) under the assumption that there is no association between sex and the length of the smoking cessation period; and the third number is the following value. (fo-JE) (Observed cell frequency Expected cell frequency SE Expected cell frequency ne numbers labeled "Total" are totals for observed frequency.
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