Multiple Choice
A sample has a mean of M = 86.If one new person is added to the sample,and ΣX is unchanged,what effect will the addition have on the sample mean?
A) The sample mean will increase a little.
B) The sample mean will decrease.
C) The sample mean will remain the same.
D) The sample mean will increase substantially.
Correct Answer:
Verified
Correct Answer:
Verified
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