Question

An advertiser conducts a taste test of Cherry Coke versus Cherry Pepsi and Dr. Pepper. Ten respondents rate Coke and another ten rate Pepsi and another 10 rate Dr. Pepper. The scale used is:
Excellent taste (1)
Good taste (2)
Neither good nor bad taste (3)
Poor taste (4)
Very poor taste (5)
The ratings are shown below.
Brand: Cherry Coke Cherry Pepsi Dr. Pepper

1 1 1

2 2 1

3 3 1

4 4 5

5 3 5

1 4 5

2 4 1

3 4 1

4 2 5

5 2 5
Average; 3.0 3.0 3.0

Denny, the researcher, concludes that reactions to Cherry Pepsi and Dr. Pepper are identical. Is this conclusion correct? Why?

Answer

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