The heights (in inches) of 8 high school students and their scores on an IQ test are shown in the attached data table with a sample correlation coefficient r of 0.155. Remove the data entry for the student who is 59 inches tall and scored 95 on the IQ test from the data. Describe how this affects the correlation coefficient r. Click the icon to view the data set. The new correlation coefficient r (Round to three decimal places as needed.) going from 0.155 to
The heights (in inches) of 8 high school students and their scores on an IQ test are shown in the attached data table with a sample correlation coefficient r of 0.155. Remove the data entry for the student who is 59 inches tall and scored 95 on the IQ test from the data. Describe how this affects the correlation coefficient r. Click the icon to view the data set. The new correlation coefficient r (Round to three decimal places as needed.) going from 0.155 to
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.6: Regression And Median-fit Lines
Problem 1BGP
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a. Calculate the
r = ____
b. Calculate the correlation coefficient r, letting row 2 represent the x-values and row 1 the y-values.
r = _____
c. What effect does switching the variables have on the correlation coefficient?
Transcribed Image Text:The heights (in inches) of 8 high school students and their scores on an IQ test are shown in the attached data table
with a sample correlation coefficient r of 0.155. Remove the data entry for the student who is 59 inches tall and scored
95 on the IQ test from the data. Describe how this affects the correlation coefficient r.
Click the icon to view the data set.
The new correlation coefficient r
(Round to three decimal places as needed.)
going from 0.155 to
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