Solved

For a Certain Data Set the Regression Equation Is Y

Question 57

Multiple Choice

For a certain data set the regression equation is y = 21 - 3x.The correlation coefficient between y and x in this data set ___.

A) must be 0
B) is negative
C) must be 1
D) is positive
E) must be >1

Related Questions

Q28: The process of constructing a mathematical model

Q49: The coefficient of determination is the proportion

Q52: The following data is to be used

Q55: Alan Bissell,market analyst for City Sound Mart,is

Q56: From the following scatter plot,we can say

Q56: The assumption of constant error variance in

Q58: For a certain data set the regression

Q62: Calculate the residuals of a regression line

Q70: In a simple regression the coefficient of

Q107: The proportion of variability of the dependent