When engaging in weight-control (fitness/fat burning) types of exercise, a person is expected to atta approximately 60% of his or her maximum heart rate. For 20-year-olds, this rate is approximately 12 beats per minute (bpm). A simple random sample of thirty 20-year-olds was taken, and the sample mean was found to be 107 bpm, with a standard deviation of 45 bpm. Researchers wonder if this is evidence to conclude that the expected level is actually lower than 120 bpm. Define the population parameter or distribution about which hypotheses are to be tested. O Chi-squared distribution. O The proportion of the heart rate. O The mean of the heart rate. O F-distribution.

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QUESTION 13
When engaging in weight-control (fitness/fat burning) types of exercise, a person is expected to attain
approximately 60% of his or her maximum heart rate. For 20-year-olds, this rate is approximately 120
beats per minute (bpm). A simple random sample of thirty 20-year-olds was taken, and the sample
mean was found to be 107 bpm, with a standard deviation of 45 bpm. Researchers wonder if this is
evidence to conclude that the expected level is actually lower than 120 bpm.
Define the population parameter or distribution about which hypotheses are to be tested.
O Chi-squared distribution.
The proportion of the heart rate.
The mean of the heart rate.
O F-distribution.
Transcribed Image Text:QUESTION 13 When engaging in weight-control (fitness/fat burning) types of exercise, a person is expected to attain approximately 60% of his or her maximum heart rate. For 20-year-olds, this rate is approximately 120 beats per minute (bpm). A simple random sample of thirty 20-year-olds was taken, and the sample mean was found to be 107 bpm, with a standard deviation of 45 bpm. Researchers wonder if this is evidence to conclude that the expected level is actually lower than 120 bpm. Define the population parameter or distribution about which hypotheses are to be tested. O Chi-squared distribution. The proportion of the heart rate. The mean of the heart rate. O F-distribution.
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