Question: The sampling distribution of a sample mean for a random sample size of 100 describes a. How sample means tend to vary from random sample

The sampling distribution of a sample mean for a random sample size of 100 describes
a. How sample means tend to vary from random sample to random sample of size 100.
b. How observations tend to vary from person to person in a random sample of size 100.
c. How the data distribution looks like the population distribution when the sample size is larger than 30.
d. How the standard deviation varies among samples of size 100.

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