A researcher wants to estimate a population mean. The estimated average population variance from a pilot sample is 1.5 for the most important questions in the study. However, of the 2 most important...

A researcher wants to estimate a population mean. The estimated average population variance from a pilot sample is 1.5 for the most<br>important questions in the study. However, of the 2 most important questions, one had a variance of 1.4 and the other had a variance<br>of 2.4. What is the desired sample size?<br>O a. 922<br>QUESTION 20<br>O b. 538<br>OC 470<br>Od.576<br>

Extracted text: A researcher wants to estimate a population mean. The estimated average population variance from a pilot sample is 1.5 for the most important questions in the study. However, of the 2 most important questions, one had a variance of 1.4 and the other had a variance of 2.4. What is the desired sample size? O a. 922 QUESTION 20 O b. 538 OC 470 Od.576

Jun 10, 2022

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A researcher wants to estimate a population mean. The estimated average population variance from a pilot sample is 1.5 for the most important questions in the study. However, of the 2 most important...

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