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A magazine collected the ratings for food, decor, service and the cost per person for a sample of 30 restaurants. They combined the ratings
A magazine collected the ratings for food, decor, service and the cost per person for a sample of 30 restaurants. They combined the ratings to create a summated rating and used that to predict the cost of a restaurant meal. The data are modeled by Y-118439 0.0330X, where X is the summated ratings and 9, is meal cost. Perform a residual analysis for these dels Evaluate whether the assumptions of regression have been seriously violated Click the icon to view the data table Which of the assumptions of regression, if any have been seriously violated? Select all that apply A The assumption of equal variance has been violated because the variability of the resitusis is not content for all values of X The assumption of normality has been violated because the normal probability piot does not appear to be a straight line C. The assumption of inearity has been violeted because the data are clearly unin The assumption of independence of enons has been violated because the emors are not independent DE The assumptions af linearly, independence, romality, and equal variance do not appear to have been seriously violated
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