Provide the appropriate response. In order to shorten the time it takes Jim to t

Question

Provide the appropriate response. In order to shorten the time it takes Jim to take his favorite cookies, he designed an experiment to test the effect of eggs and sugar on the cooking time. Specifically the tested 3 diff3erent batches of cookies and measured how many minutes it took for the same amount of cookie dough to bake. This ANOVA table follows: State the hypotheses about the cookie dough (both numerically and in words) The results of a student's experiment on the effectiveness of four different types of noise filters are as followed: State the hypothesis about the efficiency of the noise filters.

Explanation / Answer

11)

Null Hypothesis: Ho

The mean amount of time taken to cook cookies is equal for all the three batches.

ie µ1 = µ2 = µ3

Alternative Hypothesis: Ha

The mean amount of time taken to cook cookies for all the three batches is not equal.

If the p-value is less than the significance value, we reject the null hypothesis (ie the means are equal).

12)

Null Hypothesis: Ho

The efficiency of all the four noise filters is equal.

ie µ1 = µ2 = µ3 = µ4

Alternative Hypothesis: Ha

The efficiency of all the four noise filters is not equal.

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