When engaging in weight-control (fitness/fat burning) types of exercise, a person is expected to attain about 60% of their maximum heart rate. For 20-year-olds, this rate is approximately 120 bpm....


When engaging in weight-control (fitness/fat burning) types of exercise, a person<br>is expected to attain about 60% of their maximum heart rate. For 20-year-olds,<br>this rate is approximately 120 bpm. Does a 20-year-old have a lower rate on<br>average? A researcher conducted a hypothesis test and set the level of<br>significance a at 5%.<br>a) The P-value for the one-sample t test is<br>A. larger than 0.05.<br>B. between 0.025 and 0.05.<br>C. between 0.001 and 0.0025.<br>D. below 0.001<br>b) The P-value for the one-sample t test is<br>significance (a). Therefore we<br>A. Iarger; reject<br>B. larger; do not reject<br>C. smaller; do not reject<br>D. smaller, reject<br>c) What is the researcher's conclusion?<br>than the level of<br>the null hypothesis (H0).<br>a. There is enough evidence to conclude that the population mean<br>heart rate of 20-year-olds is less than 107 bpm.<br>b. There is enough evidence to conclude that the population mean<br>heart rate of 20-year-olds is less than 120 bpm.<br>c. There is not enough evidence to conclude that the population mean<br>heart rate of 20-year-olds is less than 120 bpm.<br>d. There is enough evidence to conclude that the sample mean heart<br>rate of 20-year-olds is less than 120 bpm.<br>

Extracted text: When engaging in weight-control (fitness/fat burning) types of exercise, a person is expected to attain about 60% of their maximum heart rate. For 20-year-olds, this rate is approximately 120 bpm. Does a 20-year-old have a lower rate on average? A researcher conducted a hypothesis test and set the level of significance a at 5%. a) The P-value for the one-sample t test is A. larger than 0.05. B. between 0.025 and 0.05. C. between 0.001 and 0.0025. D. below 0.001 b) The P-value for the one-sample t test is significance (a). Therefore we A. Iarger; reject B. larger; do not reject C. smaller; do not reject D. smaller, reject c) What is the researcher's conclusion? than the level of the null hypothesis (H0). a. There is enough evidence to conclude that the population mean heart rate of 20-year-olds is less than 107 bpm. b. There is enough evidence to conclude that the population mean heart rate of 20-year-olds is less than 120 bpm. c. There is not enough evidence to conclude that the population mean heart rate of 20-year-olds is less than 120 bpm. d. There is enough evidence to conclude that the sample mean heart rate of 20-year-olds is less than 120 bpm.

Jun 10, 2022
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