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The Chi-Squared Test - X² Choco-Zuties, and the other ad was for a new healthy snack called Apple-Zuties. advertisers used two 30-second television ads in an experiment. One ad was for a new sugary snack called Product advertisers studied the effects of television ads on children's choices for two new snacks. The program, the children were offered a choice between the two snacks. The table below summarizes their choices. individually watched a 30-minute television program that was interrupted for 5 minutes of advertising. After the For the experiment, 75 children were randomly assigned to one of three groups, A, B, or C. Each child Number Who Chose Choco-Zuties Group A B Analyzing the Association Between Categorical Variables Chapter 11 с Type of Ad Choco-Zuties only Apple-Zuties only Neither 13 22 3 Do the data provide convincing statistical evidence that there is an association between type of ad and children's choice of snack among all children similar to those who participated in the experiment? 21 The hypotheses for the test are: Ho: The two variables are independent (not associated). H.: The two variables are dependent (associated). Number Who Chose Apple-Zuties 4 12 x² = (obs-exp)² exp The test assumes random sampling and a large sample size. State the null and alternative hypotheses for this test. Ho Type of Ad and Snack Choice are independent (not associated) Ha Type of Ad and Snack Choice are dependent (associated) Test Statistic: The chi-squared statistic summarizes how far the observed cell counts in a contingency table fall from the expected cell counts for a null hypothesis.

The Chi-Squared Test - X² Choco-Zuties, and the other ad was for a new healthy snack called Apple-Zuties. advertisers used two 30-second television ads in an experiment. One ad was for a new sugary snack called Product advertisers studied the effects of television ads on children's choices for two new snacks. The program, the children were offered a choice between the two snacks. The table below summarizes their choices. individually watched a 30-minute television program that was interrupted for 5 minutes of advertising. After the For the experiment, 75 children were randomly assigned to one of three groups, A, B, or C. Each child Number Who Chose Choco-Zuties Group A B Analyzing the Association Between Categorical Variables Chapter 11 с Type of Ad Choco-Zuties only Apple-Zuties only Neither 13 22 3 Do the data provide convincing statistical evidence that there is an association between type of ad and children's choice of snack among all children similar to those who participated in the experiment? 21 The hypotheses for the test are: Ho: The two variables are independent (not associated). H.: The two variables are dependent (associated). Number Who Chose Apple-Zuties 4 12 x² = (obs-exp)² exp The test assumes random sampling and a large sample size. State the null and alternative hypotheses for this test. Ho Type of Ad and Snack Choice are independent (not associated) Ha Type of Ad and Snack Choice are dependent (associated) Test Statistic: The chi-squared statistic summarizes how far the observed cell counts in a contingency table fall from the expected cell counts for a null hypothesis.

ENGR.ECONOMIC ANALYSIS
ENGR.ECONOMIC ANALYSIS
14th Edition
ISBN:9780190931919
Author:NEWNAN
Publisher:NEWNAN
Chapter1: Making Economics Decisions
Section: Chapter Questions
Problem 1QTC
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The Chi-Squared Test - X² Choco-Zuties, and the other ad was for a new healthy snack called Apple-Zuties. Product advertisers studied the effects of television ads on children's choices for two new snacks. The advertisers used two 30-second television ads in an experiment. One ad was for a new sugary snack called program, the children were offered a choice between the two snacks. The table below summarizes their choices. individually watched a 30-minute television program that was interrupted for 5 minutes of advertising. After the For the experiment, 75 children were randomly assigned to one of three groups, A, B, or C. Each child Number Who Chose Choco-Zuties 21 13 22 Group A B с Kristin Trehame 11-30-20 Chapter 11 Analyzing the Association Between Categorical Variables Type of Ad Choco-Zuties only Apple-Zuties only Neither Number Who Chose Apple-Zuties 4 12 x²=(obs-exp)² exp Do the data provide convincing statistical evidence that there is an association between type of ad and children's choice of snack among all children similar to those who participated in the experiment? The hypotheses for the test are: Ho: The two variables are independent (not associated). На The two variables are dependent (associated). The test assumes random sampling and a large sample size. 3 State the null and alternative hypotheses for this test. Ho Type of Ad and Snack Choice are independent (not associated) Ha Type of Ad and Snack Choice are dependent (associated) Test Statistic: The chi-squared statistic summarizes how far the observed cell counts in a contingency table fall from the expected cell counts for a null hypothesis.
Transcribed Image Text:The Chi-Squared Test - X² Choco-Zuties, and the other ad was for a new healthy snack called Apple-Zuties. Product advertisers studied the effects of television ads on children's choices for two new snacks. The advertisers used two 30-second television ads in an experiment. One ad was for a new sugary snack called program, the children were offered a choice between the two snacks. The table below summarizes their choices. individually watched a 30-minute television program that was interrupted for 5 minutes of advertising. After the For the experiment, 75 children were randomly assigned to one of three groups, A, B, or C. Each child Number Who Chose Choco-Zuties 21 13 22 Group A B с Kristin Trehame 11-30-20 Chapter 11 Analyzing the Association Between Categorical Variables Type of Ad Choco-Zuties only Apple-Zuties only Neither Number Who Chose Apple-Zuties 4 12 x²=(obs-exp)² exp Do the data provide convincing statistical evidence that there is an association between type of ad and children's choice of snack among all children similar to those who participated in the experiment? The hypotheses for the test are: Ho: The two variables are independent (not associated). На The two variables are dependent (associated). The test assumes random sampling and a large sample size. 3 State the null and alternative hypotheses for this test. Ho Type of Ad and Snack Choice are independent (not associated) Ha Type of Ad and Snack Choice are dependent (associated) Test Statistic: The chi-squared statistic summarizes how far the observed cell counts in a contingency table fall from the expected cell counts for a null hypothesis.
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