In: Statistics and Probability
A market researcher believes that brand perception of one of the company's products may vary between different groups. After interviewing 342 persons, the following data was compiled. Can we conclude that brand perception is dependent on age?
Age | Favorable | Unfavorable | Neutral | Total |
---|---|---|---|---|
18-30 | 67 | 21 | 22 | 110 |
30-45 | 55 | 20 | 18 | 93 |
Over 45 | 82 | 29 | 28 | 139 |
Total | 204 | 70 | 68 |
342 |
Step 4 of 8:
Find the value of the test statistic. Round your answer to three decimal places.
Step 5 of 8:
Find the degrees of freedom associated with the test statistic for this problem.
Step 6 of 8:
Find the critical value of the test at the 0.0250.025 level of significance. Round your answer to three decimal places.
Step 7 of 8:
Make the decision to reject or fail to reject the null hypothesis at the 0.0250.025 level of significance.
fail to reject the null or reject the null
Step 8 of 8:
State the conclusion of the hypothesis test at the 0.0250.025 level of significance.
4. 0.2233
5. Df = 4
6. 11.143
7. Fail to reject H0.
8. brand perception is not dependent on age.