Question
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 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.
Americanos | Capp. | Espresso | Lattes | Macchiatos | Other | |
Observed Counts | 115 | 88 | 69 | 59 | 44 | 75 |
Expected Counts | 153 | 94.5 | 63 | 49.5 | 45 | 45 |
Enter the p-value - round to 5 decimal places. Make sure you put a 0 in front of the decimal.
P-value =___
Step by Step Solution
There are 3 Steps involved in it
Step: 1
Get Instant Access to Expert-Tailored Solutions
See step-by-step solutions with expert insights and AI powered tools for academic success
Step: 2
Step: 3
Ace Your Homework with AI
Get the answers you need in no time with our AI-driven, step-by-step assistance
Get Started