CHAPTER 8: Correlation Coefficients - Pearson Correlation & Spearman's Rho

Question 1

The correlation coefficient can be any numerical value between:

0 and 1

• 0.1 and 0.1
• 1 and 1
• 1 and 0

Answer 1

-1 and 1

Question 2

The correlation coefficient:

A) tells you whether the relationship is significant or not
B) makes the scatterplot redundant
C) should be interpreted alongside the relevant scatterplot
D) tells you whether the relationship found between variables is likely to a chance finding

Answer 2

C) should be interpreted alongside the relevant scatterplot

Question 3

A correlation of -0.5 would indicate a scatterplot in which the slop is:

A) upwards
B) horizontal
C) downwards
D) curvilinear

Answer 3

C) downwards

Question 4

A correlation of -0.5 would indicate a scatterplot where:

A) had of the points the scatterplot sit on a straight line
B) there is a moderately good fit between the straight line and the points on the scatterplot
C) all of the points sit perfectly on straight line
D) there is a very poor fit between the straight line and the points on the scatterplot

Answer 4

B) there is a moderately good fit between the straight line and the points on the