Question: Samples of size n = 9 are selected from a normal population with = 80 and with = 18. What is the expected value

Samples of size n = 9 are selected from a normal population

Samples of size n = 9 are selected from a normal population with = 80 and with = 18. What is the expected value for the mean of the distribution of sample means? 0 M = 6 UM=18 M = 80/3 UM=80

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