Question: A sample of n = 9 scores is obtained from a normal distribution with σ = 12. The sample mean is M=60.

1. With a two tailed test and α =.05, use the sample data to test the hypothesis that the population mean is µ = 65.
2. With a two tailed test and α =.05, use the sample data to test the hypothesis that the population mean is µ=55.
3. In parts (a) and (b) of this problem, you should find that µ=65 and µ=55 are both acceptable hypotheses. Explain how two different values can both be acceptable.

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