Author Question: If the coefficient of determination is close to 1, then A) the least squares regression line ... (Read 130 times)

DyllonKazuo · **on:** Jul 24, 2018

If the coefficient of determination is close to 1, then

A) the least squares regression line equation explains most of the variation in the response variable.
B) the least squares regression line equation has no explanatory value.
C) the sum of the square residuals is large compared to the total variation.
D) the linear correlation coefficient is close to zero.

Question 2

A recent survey found that 70 of all adults over 50 wear sunglasses for driving. In a random sample of 10 adults over 50, what is the probability that at least six wear sunglasses?

A) 0.850 B) 0.700 C) 0.200 D) 0.006