Dr. Springer collected data to see whether people who eat an all-carbohydrate meal have different scores on a mood scale than people who eat an all-protein meal. Higher scores represent better moods. Here are her results: All Carbs All Protein 10 7 8 4 7 9 9 28 13 13 7 7 12 Is there a difference in reported mood between the two groups? Use a two tailed test with an a = 0.05. Step 4: Make a decision Our test statistic has a value of t = I , and in Step 2 we found that the critical value is t* = the null hypothesis Therefore, we (write: reject or fail to reject)

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Dr. Springer collected data to see whether people who eat an all-carbohydrate meal have
different scores on a mood scale than people who eat an all-protein meal. Higher scores
represent better moods. Here are her results:
All Carbs All Protein
10
7
8
4
7
9
9
28
13
13
7
7
12
Is there a difference in reported mood between the two groups? Use a two tailed test with an a
= 0.05.
Step 4: Make a decision
Our test statistic has a value of t =
I
, and in Step 2 we found that the critical
value is t* =
the null hypothesis
Therefore, we (write: reject or fail to reject)
Transcribed Image Text:Dr. Springer collected data to see whether people who eat an all-carbohydrate meal have different scores on a mood scale than people who eat an all-protein meal. Higher scores represent better moods. Here are her results: All Carbs All Protein 10 7 8 4 7 9 9 28 13 13 7 7 12 Is there a difference in reported mood between the two groups? Use a two tailed test with an a = 0.05. Step 4: Make a decision Our test statistic has a value of t = I , and in Step 2 we found that the critical value is t* = the null hypothesis Therefore, we (write: reject or fail to reject)
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