Performing a Chi-Square Goodness-of-Fit Test In Exercises 7−16, (a) identify the claim and state H0 and Ha, (h) find the critical value and identify the rejection region, (c) find the chi-square test statistic, (d) decide whether to reject or fail to reject the null hypothesis, and (e) interpret the decision in the context of the original claim.
15. Home Sues An organization claims that the number of prospective home buyers who want their next house to be larger, smaller, or the same size as their current house is not uniformly distributed. To test this claim, you randomly select 800 prospective home buyers and ask them what size they want their next house to be. The table at the left shows the results. At α = 0.05, test the organization's claim. (Adapted from Better Homes and Gardens)
Response | Frequency, f |
Urger | 285 |
Same size | 224 |
Smaller | 291 |
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Elementary Statistics: Picturing the World (7th Edition)
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