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The manager of a coffee shop wants to know if his customers’ drink

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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:
H0: There is _______ in drink preference this year.
H1: There is _______ in drink preference this year.
Select the best fit choices that fit in the two blank spaces above.

– A. no difference, a difference
– B. a difference, no difference
– C. no difference, no difference
– D. a difference, a difference

 
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