In a study of the stability of IQ scores, a large group of individuals is tested once at age 18 and again at age 35. The following results are obtained. At age 18: average score = 100, SD = 10 At age 35: average score = 100, SD = 10 The correlation coefficient between scores at age 18 and 35 is 0.60 and the scatter plot is football shaped. What percent of the individuals with a score of 120 at age 18 score more than 100 at age 35?
In a study of the stability of IQ scores, a large group of individuals is tested once at age 18 and again at age 35. The following results are obtained. At age 18: average score = 100, SD = 10 At age 35: average score = 100, SD = 10 The correlation coefficient between scores at age 18 and 35 is 0.60 and the scatter plot is football shaped. What percent of the individuals with a score of 120 at age 18 score more than 100 at age 35?
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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In a study of the stability of IQ scores, a large group of individuals is tested once at age 18 and again at age 35. The following results are obtained.
At age 18: average score = 100, SD = 10
At age 35: average score = 100, SD = 10
The
What percent of the individuals with a score of 120 at age 18 score more than 100 at age 35?
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