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American Military University *

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302

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Business

Date

Apr 3, 2024

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Uploaded by AdmiralWildcatPerson1030

7:46 PM Mon Mar 25 T @ ¢ 66% @) < Back Week 8 Test { Back © O Question 4 1/ 1 point A large department store is curious about what sections of the store make the most sales. The manager has data from ten years prior that show 30% of sales come from Clothing, 25% Home Appliances, 18% Housewares, 13% Cosmetics, 12% Jewelry, and 2% Other. In a random sample of 550 current sales, 188 came from Clothing, 153 Home Appliances, 83 Housewares, 54 Cosmetics, 61 Jewelry, and 11 Other. At 0=0.10, can the manager conclude that the distribution of sales among the departments has changed? Hypotheses: Hp: Thereis _______ in the distribution of current sales. Hy: Thereis _______ in the distribution of current sales. Select the best fit choices that fit in the two blank spaces above. v @) no difference, a difference ' a difference, no difference ) no difference, no difference )a difference, a difference Question 5 1/ 1 point The manager of a coffee shop wants to know if his customers' drink preferences have changed in the past year. He knows that last year the preferences followed the following proportions — 34% Americano, 21% Cappuccino, 14% Espresso, 11% Latte, 10% Macchiato, 10% Other. In a random sample of 450 customers, he finds that 115 ordered Americanos, 88 ordered Cappuccinos, 69 ordered Espressos, 59 ordered Lattes, 44 ordered Macchiatos, and the rest ordered something in the Other category. Run a Goodness of Fit test to determine whether or not drink preferences have changed at his coffee shop. Use a 0.05 level of significance. Hypotheses: Hy: Thereis _______ in drink preference this year. Hy: Thereis _______ in drink preference this year. Select the best fit choices that fit in the two blank spaces above. v o) nho difference, a difference ' a difference, no difference

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