A sample of 250 observations is selected at random from an infinite population. Given that the population proportion is .25, the standard error of the sampling distribution of the sample proportion is:
a. 0.0274
b. 0.5000
c. 0.0316
d. 0.0548
Question 2
The unbiased estimator of the variance of the error variable is found by taking ___________________ _ divided by n - 2.
Fill in the blank(s) with correct word