The following information was collected from a simple random sample of a population. 16 19 18 17 20 18 The point estimate of the population standard deviation is
a. 2.000
b. 1.291
c. 1.414
d. 1.667
Question 2
A regression analysis involved 17 independent variables and 697 observations. The critical value of t for testing the significance of each of the independent variable's coefficients will have
a. 696 degrees of freedom.
b. 16 degrees of freedom.
c. 679 degrees of freedom.
d. 714 degrees of freedom.