Pearson's r can be calculated on ________.

Group of answer choices

A. interval and ratio data

B. all data levels

C. ordinal, interval and ratio data

D. ratio data

Pearson's r can be calculated on ________.

Group of answer choices

A. interval and ratio data

B. all data levels

C. ordinal, interval and ratio data

D. ratio data

Which of the following is not a possible value for Pearson's r?

Group of answer choices

A. 1.5

B. -1

C. 0

D. 0.7

When calculating Pearson's r, you need to create which 3 columns?

Group of answer choices

A. Sum X, Sum Y, Sum XY

B. square root of X, square root of Y, cross product

C. beats me

D. X*X, Y*Y, X*Y

In a large introductory sociology course, a professor gives two exams. The professor wants to determine whether the scores students receive on the midterm exam are related with the scores on the final exam. He calculated the correlation coefficient r=0.7.

The Relationship is _______ [Positive/Negative] and [imperfect/ perfect/non existent]

Which is the strongest relationship?

Group of answer choices

A. r=0.3

B. r=0.6

C. r=-0.7

D. r=0

The sign of the correlation coefficient indicates the________["strength", "beats me", "perfection", "direction"] and the magnitude indicates the ____________ ["direction", "strength", "beats me", "perfection"]of the relationship.

Correlation coefficients can be computed from[ Select ] ["Interval", "Ratio", "Nominal", "Ordinal"] level of measurement.