The correlation coefficient r = -0.95 represents a linear relationship that is... Group of answer choices weak and positive weak and negative moderate and positive moderate and negative strong and positive strong and negative

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 23PFA
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The correlation coefficient r = -0.95 represents a linear relationship that is...
Group of answer choices

weak and positive

weak and negative

moderate and positive

moderate and negative

strong and positive

strong and negative

Expert Solution
Step 1

we know that correlation coefficient(r) always liesbetween -1 and +1.1) if the correlation value lies between ±0.50 and ±1than it is said to be strong correlation.2) if the values lies between ± 0.30 and ± 0.49than it is said to be a medium correlation.3) if the values lies between ±0.29 than it is said to be a small correlation.

4) if the value is Zero than there is no correlation.

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