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A study was conducted to compare two treatment methods for smokers who wish to stop smoking. Using the Chi-squared Goodness-of-fit test with 5% level of significance, determine whether the data suggests that the two treatments are equally effective in helping smokers stop smoking. The 300 smokers were divided between the two methods, with the following results:  TREATMENTS STOPPED SMOKING SMOKE LESS SMOKE THE SAME ROW TOTAL Treatment A 44 38 68 150 Treatment B 33 42 75 150 COLUMN TOTAL 77 80 1 43 300

A study was conducted to compare two treatment methods for smokers who wish to stop smoking. Using the Chi-squared Goodness-of-fit test with 5% level of significance, determine whether the data suggests that the two treatments are equally effective in helping smokers stop smoking. The 300 smokers were divided between the two methods, with the following results:  TREATMENTS STOPPED SMOKING SMOKE LESS SMOKE THE SAME ROW TOTAL Treatment A 44 38 68 150 Treatment B 33 42 75 150 COLUMN TOTAL 77 80 1 43 300

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 11PPS
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A study was conducted to compare two treatment methods for smokers who wish to stop smoking. Using the Chi-squared Goodness-of-fit test with 5% level of significance, determine whether the data suggests that the two treatments are equally effective in helping smokers stop smoking. The 300 smokers were divided between the two methods, with the following results: 

TREATMENTS STOPPED SMOKING SMOKE LESS SMOKE THE SAME ROW TOTAL
Treatment A 44 38 68 150
Treatment B 33 42 75 150

COLUMN TOTAL

 77 80 1 43 300

 

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