Pregunta
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Assume a significance level of \( \alpha=0.05 \) and use the given information to complete parts (a) and (b) below. Original claim: The mean pulse rate (in beats per minute) of a certain group of adult males is 76 bpm. The hypothesis test results in a P-value of 0.0697 . B. Reject \( H_{0} \) because the P-value is less than or equal to \( \alpha \). Fail to reject \( H_{0} \) because the P-value is greater than \( \alpha \). D. Fail to reject \( H_{0} \) because the P-value is less than or equal to \( \alpha \). b. Without using technical terms, state a final conclusion that addresses the original claim. Which of the following is the correct conclusion? A. There is sufficient evidence to warrant rejection of the claim that the mean pulse rate (in beats per minute) of the group of adult males is 76 bpm. B. The mean pulse rate (in beats per minute) of the group of adult males is not 76 bpm. C. The mean pulse rate (in beats per minute) of the group of adult males is 76 bpm. D. There is not sufficient evidence to warrant rejection of the claim that the mean pulse rate (in beats per minute) of the group of adult males is 76 bpm.

Ask by Moreno Erickson. in the United States
Mar 13,2025

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- **Part (a):** Fail to reject \( H_{0} \) because the P-value (0.0697) is greater than \( \alpha \) (0.05). - **Part (b):** There is not sufficient evidence to warrant rejection of the claim that the mean pulse rate of the group of adult males is 76 bpm.

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Beyond the Answer

When you compare the P-value of 0.0697 to the significance level of 0.05, it’s evident that the P-value is greater. This means we don’t have enough evidence to reject the original idea that the average pulse rate is 76 bpm. It’s like coming home to find your dog sitting happily in his bed; the situation hasn't changed from what you expected! In terms of the final conclusion, the best choice is D. Just like checking the weather and deciding to leave the umbrella at home because the forecast looks clear, sometimes the results tell us to stick with the original claim. Thus, we conclude that there is not sufficient evidence to say the average pulse rate of adult males is different from 76 bpm.

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