PSY-3301 Chapter 6 T/F Quiz (Set 4)
? Question 1 10 out of 10 points
If the value of r on ratio scaled raw data were 0.87 and the pairs of numbers were converted to ordinal data, and r calculated for the ordinal data, r would equal 0.87.
Having Trouble Meeting Your Deadline?
Get your assignment on PSY-3301 Chapter 6 T/F Quiz (Set 4) completed on time. avoid delay and – ORDER NOW
? Question 2 10 out of 10 points
Pearson r requires that the data be of interval or ratio scaling.
? Question 3 10 out of 10 points
A scatter plot is used to help determine if the relationship is linear or curvilinear.
? Question 4 10 out of 10 points
Spearman rho really derives from Pearson r.
? Question 5 10 out of 10 points
The range of a correlation coefficient is 0 to +1.
? Question 6 10 out of 10 points
Rho is used where one or both variables are at least of interval scaling.
? Question 7 10 out of 10 points
In order to compute r, we must first convert each score to its z score and then do our calculations with the z scores.
? Question 8
10 out of 10 points
If one calculates r for a set of data and r equals 0.84, one can be certain that the relationship between the variables is not spurious.
? Question 9 10 out of 10 points
In a perfect positive correlation, each individual obtains the same z score on each variable.
? Question 10 10 out of 10 points
In a linear relationship all the points must fall on a straight line.
