Frozen TV Dinner
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.
-{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?

Question

Frozen TV Dinner 
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.  ​ ​
-{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?

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The Answer of Frozen TV Dinner 
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.  ​ ​
-{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?