A researcher is examining preferences among four new flavors of ice cream. A sample of n = 80 people is obtained. Each person ta
stes all four flavors and then picks a favorite. The distribution of preferences is as follows. Do these data indicate any significance preferences among the four flavors? Test at the .05 level of significance.
1 answer:
Complete Question:
A researcher is examining preferences among four new flavors of ice cream. A sample of n = 80 people is obtained. Each person tastes all four flavors and then picks his/her favorite. The distribution of preferences is as follows.
Ice Cream Flavor
A B C D
12 18 28 22
Do these data indicate any significant preferences among the four flavors? Test at the .05 level of significance.
Answer:
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Answer:
She made a mistake in Step 7.
Step-by-step explanation:
Step 1 through 6 are correct. Only from Step 6 to Step 7 the problem comes in: both sides of the equation are multiplied by x, however the x on the left side, by error, becomes 1. The correct state in Step 7 should look like this: