Author Question: Common cause variation is variation in the output of a process that is unexpected and has an ... (Read 109 times)

JMatthes · **on:** Jun 24, 2018

Common cause variation is variation in the output of a process that is unexpected and has an assignable cause.

Indicate whether the statement is true or false

Question 2

If the population correlation between two variables is determined to be -0.70, which of the following is known to be true?

A) There is a positive linear relationship between the two variables.
B) There is a fairly strong negative linear relationship between the two variables.
C) An increase in one of the variables will cause the other variable to decline by 70 percent.
D) The scatter diagram for the two variables will be upward sloping from left to right.