Refer to the accompanying scatterplot. a. Examine the pattern of all 10 points and subjectively determine whether there appears to be a strong correlation between x and y. b. Find the value 10- of the correlation coefficient r and determine whether there is a linear correlation. c. Remove the point with coordinates (10,10) and find the correlation coefficient r and determine whether there is a linear correlation. d. What do you conclude about the possible effect from a single pair of values? Click here to view a table of critical values for the correlation coefficient. a. Do the data points appear to have a strong linear correlation? No ... Yes b. What is the value of the correlation coefficient for all 10 data points? 10 C C C

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 15PPS
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Ay
Refer to the accompanying scatterplot. a. Examine the pattern of all 10 points and subjectively
determine whether there appears to be a strong correlation between x and y. b. Find the value 10
of the correlation coefficient r and determine whether there is a linear correlation. c. Remove
the point with coordinates (10,10) and find the correlation coefficient r and determine whether
there is a linear correlation. d. What do you conclude about the possible effect from a single
pair of values?
Click here to view a table of critical values for the correlation coefficient.
a. Do the data points appear to have a strong linear correlation?
No
r=
Yes
b. What is the value of the correlation coefficient for all 10 data points?
(Simplify your answer. Round to three decimal places as needed.)
10
Transcribed Image Text:Ay Refer to the accompanying scatterplot. a. Examine the pattern of all 10 points and subjectively determine whether there appears to be a strong correlation between x and y. b. Find the value 10 of the correlation coefficient r and determine whether there is a linear correlation. c. Remove the point with coordinates (10,10) and find the correlation coefficient r and determine whether there is a linear correlation. d. What do you conclude about the possible effect from a single pair of values? Click here to view a table of critical values for the correlation coefficient. a. Do the data points appear to have a strong linear correlation? No r= Yes b. What is the value of the correlation coefficient for all 10 data points? (Simplify your answer. Round to three decimal places as needed.) 10
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