A sample of size n is selected at random from an infinite population. As n increases, which of the following statements is true?
a. The population standard deviation decreases.
b. The standard error of the sample mean decreases.
c. The population standard deviation increases.
d. The standard error of the sample mean increases.
Question 2
A zero population correlation coefficient for x and y means that there is no type of relationship whatsoever between x and y.
Indicate whether the statement is true or false
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