To compare the tastiness of the burgers from Burger King and Checkers, you have

Question

To compare the tastiness of the burgers from Burger King and Checkers, you have 30 consumers and asked each of them to eat one burger from each store. After they finished both burgers, you asked them to rate the tastiness of both burgers on a scale of 1-100. In other words, one consumer will give two ratings, one for Burger King, and one for Checkers. What statistical test should you conduct if you want to know whether the mean scores of Burger King and Checkers are the same or not? Two-sample z test Two-sample t test Paired t-test Chi-square test for one population variance Chi-square test for the equality of population proportions for > = 3 populations Chi-square test for the independence of two categorical variables F test for two population variances F test for the equality of population means for > = 3 populations The following is the output of the test for the null hypothesis: mu_burge(king = mu_checkers. where the mu is the mean monthly sales in thousands. Given the output, what can you conclude? Use alpha = .05. The monthly sales for Bruger King and Checkers are not significantly different The monthly sales sales for Burger King and Checkers are significantly different. The monthly sales for Burget King is significantly more than that for Checkers The monthly sales for Burger King is significantly less than that for Checkers The following is the output of the test for the null hypothesis: mu_burgerking = mu_checkers = mu_popeyes, where the mu is the mean monthly sales in thousands. Given the output, what can you conclude? Use alpha = .05.

Explanation / Answer

q5: chi square for two categorical variables.

q6: the sales are significant different ,we check two tailed test for checking u1=u2

q7:all the three sales are alll different. since F-observed value is more than f critical value and p-value is less tha significant level

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