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26 Apr 2021
In a study with a sample mean of 14, a z of +2.0 is obtained. With a critical value of ± 1.96, the research team decides not to reject the idea that the sample represents a µ of 12.
a. Describe/draw the sampling distribution and indicate the relative locations of 𝑋̅, µ, the
computed z-score, and the two critical values.
b. Is the conclusion given correct? Explain your answer.
c. What population is this sample likely to represent?
In a study with a sample mean of 14, a z of +2.0 is obtained. With a critical value of ± 1.96, the research team decides not to reject the idea that the sample represents a µ of 12.
a. Describe/draw the sampling distribution and indicate the relative locations of 𝑋̅, µ, the
computed z-score, and the two critical values.
b. Is the conclusion given correct? Explain your answer.
c. What population is this sample likely to represent?
asifasabirLv10
6 Dec 2022
2 Jun 2021
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