Multiple Choice
In a regression problem the following pairs of (x, y) are given: (4, 1) , (4, -1) , (4, 0) , (4, -2) and (4, 2) . That indicates that:
A) the correlation coefficient is -1
B) the correlation coefficient is 0
C) the correlation coefficient is 1
D) the coefficient of determination is between -2 and 2
E) none of these
Correct Answer:
Verified
Correct Answer:
Verified
Q37: In order to predict with 98% confidence
Q38: Six points have these coordinates: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8220/.jpg"
Q39: A regression line using 25 observations produced
Q40: In simple linear regression, the plot of
Q41: The following are coefficients of correlation (r).
Q43: In developing a 90% confidence interval for
Q44: In order to predict with 90% confidence
Q45: Which of the following correctly describes a
Q46: Which of the following is not an
Q47: In regression analysis, if the coefficient of