Sampling distribution of is the
a. probability distribution of the sample mean.
b. probability distribution of the sample proportion.
c. mean of the sample.
d. mean of the population.
Question 2
In regression analysis, an outlier is an observation whose
a. mean is larger than the standard deviation.
b. residual is zero.
c. mean is zero.
d. residual is much larger than the rest of the residual values.