Mathematics, 08.05.2021 04:40 ykluhredd
The principal at a middle school gave a survey to randomly selected students, asking which activity of the after-school program they were attending.
A bar graph matching students with activities
1.
Choose the best answers.
If the middle school had 2,000 students, how many students out of the total student population would she have expected to participate in each of the following activities?
Answers: 3
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A. find the power of the test, when the null hypothesis assumes a population mean of mu = 450, with a population standard deviation of 156, the sample size is 5 and the true mean is 638.47 with confidence intervals of 95 b. find the power of the test, when the null hypothesis assumes a population mean of mu = 644, with a population standard deviation of 174, the sample size is 3 and the true mean is 744.04 with confidence intervals of 95% c. find the power of the test, when the null hypothesis assumes a population mean of mu = 510, with a population standard deviation of 126, the sample size is 10 and the true mean is 529.44 with confidence intervals of 95
Answers: 2
The principal at a middle school gave a survey to randomly selected students, asking which activity...
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