Author Question: In a regression problem, a coefficient of determination 0.90 indicates that: A) 90 of the y ... (Read 81 times)

Tazate · **on:** Jun 24, 2018

In a regression problem, a coefficient of determination 0.90 indicates that:

A) 90 of the y values are positive.
B) 90 of the variation in y can be explained by the regression line.
C) 90 of the x values are equal.
D) 90 of the variation in x can be explained by the regression line.

Question 2

The skewness is zero for all distributions, such as the normal, that are symmetric about their mean.

Indicate whether the statement is true or false