point with coordinates (1,10) and find the correlation coefficient r and determine whether there is a linear correlation. d. What do about the possible effect from a single pair of values? view a table of critical values for the correlation coefficient. to

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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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 of the correlation coefficient r and determine whether there is a linear correlation. c.
Remove the point with coordinates (1,10) 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.
Ay
10-
10
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?
r=
(Simplify your answer. Round to three decimal places as needed.)
Transcribed Image Text: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 of the correlation coefficient r and determine whether there is a linear correlation. c. Remove the point with coordinates (1,10) 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. Ay 10- 10 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? r= (Simplify your answer. Round to three decimal places as needed.)
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