2 Points
Which of these is not a possible r-value?
O A. -0.1
O B. -0.75
O c. 1.2
oo
D. 0.5
SUBMIT

Explanation:

The possible values of r, the correlation coefficient of a sequence of values, are  -1  ≤ r ≤ 1.

This is, r cannot be either less than - 1 or greater than 1.

A correlation coefficient r = -0.1 denotes a very weak negative correlation. A correlation coefficient r = - 0.75 means a strong negative correlation. A correlation coefficient r = 0.5 indicates a moderate positive correlation. A value of r = 1.2 is not possible: r can neve be greater than 1.

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