Question: 5. Decide whether to reject the null hypothesis. A Z score of 2.45 is more extreme than the Z score of 1.96, which is where

5. Decide whether to reject the null hypothesis. A Z score of −2.45 is more extreme than the Z score of −1.96, which is where the lower 2.5% of the comparison distribution begins. Notice in Figure 5–5 that the Z score of

−2.45 falls within the shaded area in the left tail of the comparison distribution.

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