A medical doctor has gathered data from large random sample of patients. She observed a linearrelationship between the age of the patient (in years) and a particular score (in points) on a measure ofcognitive ability. The correlation between these variables is r= 0.62, and a regression equation isconstructed in order to further explore the relationship between age and cognitive ability, with the measureof cognitive ability being the response variable and age being the explanatory variable. From thisinformation, what can we conclude?O The regression equation relating cognitive ability to age must have a positive intercept.O Approximately 38% of the variability in the measure of cognitive ability can be explained by the regressionequation.O We need more information to know if the relationship between cognitive ability and age is positive ornegative.O The correlation coefficient should have the units of "points per year."O The regression equation relating cognitive ability to-age will have a slope equal to 0.62.

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Answered: relationship between the age of the…

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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