A sample of n = 25 individuals is selected from a population with µ = 80, and a treatment is administered to the sample. Which outcome is expected if the treatment has no effect? a. The sample mean after the treatment should be close to 80, leading a researcher to fail to reject the null hypothesis. b. The sample mean after the treatment should be very different from 80, leading a researcher to reject the null hypothesis. c. The sample mean after the treatment should be very different from 80, leading a researcher to fail to reject the null hypothesis. d. The sample mean after the treatment should be close to 80, leading a researcher to reject the null hypothesis.
A sample of n = 25 individuals is selected from a population with µ = 80, and a treatment is administered to the sample. Which outcome is expected if the treatment has no effect? a. The sample mean after the treatment should be close to 80, leading a researcher to fail to reject the null hypothesis. b. The sample mean after the treatment should be very different from 80, leading a researcher to reject the null hypothesis. c. The sample mean after the treatment should be very different from 80, leading a researcher to fail to reject the null hypothesis. d. The sample mean after the treatment should be close to 80, leading a researcher to reject the null hypothesis.
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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A sample of n = 25 individuals is selected from a population with µ = 80, and a treatment is administered to the sample. Which outcome is expected if the treatment has no effect?
| a. |
The sample mean after the treatment should be close to 80, leading a researcher to fail to reject the null hypothesis.
|
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| b. |
The sample mean after the treatment should be very different from 80, leading a researcher to reject the null hypothesis.
|
|
| c. |
The sample mean after the treatment should be very different from 80, leading a researcher to fail to reject the null hypothesis.
|
|
| d. |
The sample mean after the treatment should be close to 80, leading a researcher to reject the null hypothesis.
|
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