Multiple Choice
Random samples of size 81 are taken from a process (an infinite population) whose mean and standard deviation are 200 and 18, respectively. The distribution of the population is unknown. The mean and the standard error of the distribution of sample means are _____.
A) 200 and 18
B) 81 and 18
C) 9 and 2
D) 200 and 2
Correct Answer:

Verified
Correct Answer:
Verified
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