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Author Question: Construct a 95% Z-interval or a 95% t-interval about the population mean. Assume the data come from ... (Read 75 times)

BRWH

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Construct a 95% Z-interval or a 95% t-interval about the population mean. Assume the data come from a population that is approximately normal with no outliers.

Fifteen randomly selected men were asked to run on a treadmill for 6 minutes.  After the 6 minutes, their pulses were measured and the following data were obtained:



◦ (94.2, 106.6); we are 95% confident that the mean pulse rate of men after 6 minutes of exercise is between 94.2 and 106.6 beats per minute.
◦ (93.7, 107.1); we are 95% confident that the mean pulse rate of men after 6 minutes of exercise is between 93.7 and 107.1 beats per minute.
◦ (94.9, 105.9); we are 95% confident that the mean pulse rate of men after 6 minutes of exercise is between 94.9 and 105.9 beats per minute.
◦ (95.2, 105.6); we are 95% confident that the mean pulse rate of men after 6 minutes of exercise is between 95.2 and 105.6 beats per minute.


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Marked as best answer by BRWH on Jan 16, 2020

yotaSR5

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BRWH

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Reply 2 on: Jan 16, 2020
Excellent


diana chang

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Reply 3 on: Yesterday
:D TYSM

 

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