CHAPTER 7

This is because sample size >30. 6. Samples of size n = 9 are selected from a population with μ = 80 with σ = 18. What is the expected value for the distribution of sample means? a. 6. b. 18. c. 80/3. d. 80. Answer: d. 80. Expected value=µ=80. 7. Samples of size n … ................
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