Frozen TV Dinner Narrative
The general manager of a frozen TV dinner maker must decide which one of four new dinners to introduce to the market. He decides to perform an experiment to help make a decision. Each dinner is sampled by ten people who then rate the product on a 7-point scale, where 1 = poor, and 7 = excellent. The results are shown below.
Taste Ratings
-Refer to Frozen TV Dinner Narrative. Can the general manager infer at the 5% significance level that there are differences in the taste ratings of the four dinners? Justify your decision.

Question

Frozen TV Dinner Narrative
The general manager of a frozen TV dinner maker must decide which one of four new dinners to introduce to the market. He decides to perform an experiment to help make a decision. Each dinner is sampled by ten people who then rate the product on a 7-point scale, where 1 = poor, and 7 = excellent. The results are shown below.
Taste Ratings 
-Refer to Frozen TV Dinner Narrative. Can the general manager infer at the 5% significance level that there are differences in the taste ratings of the four dinners? Justify your decision.

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The Answer of Frozen TV Dinner Narrative
The general manager of a frozen TV dinner maker must decide which one of four new dinners to introduce to the market. He decides to perform an experiment to help make a decision. Each dinner is sampled by ten people who then rate the product on a 7-point scale, where 1 = poor, and 7 = excellent. The results are shown below.
Taste Ratings 
-Refer to Frozen TV Dinner Narrative. Can the general manager infer at the 5% significance level that there are differences in the taste ratings of the four dinners? Justify your decision.