A researcher investigating the association between two variables collected some data and was surprised when he calculated the correlation. She had expected to find a fairly strong association, yet the correlation was near zero. Discouraged, she did not bother making a scatterplot. Explain to her how the scatterplot could still reveal the strong association she anticipated.
A researcher investigating the association between two variables collected some data and was surprised when he calculated the correlation. She had expected to find a fairly strong association, yet the correlation was near zero. Discouraged, she did not bother making a scatterplot. Explain to her how the scatterplot could still reveal the strong association she anticipated.
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 2AGP
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