Annual high temperatures in a certain location have been tracked for several years. Let � represent the year and � the high temperature. Based on the data shown below, calculate the correlation coefficient (to three decimal places) between � and �. Use your calculator! x y 2 25.68 3 25.26 4 25.24 5 23.32 6 22.5 7 24.88 8 20.96 9 21.04 10 20.62 11 19.1 �=

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
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Annual high temperatures in a certain location have been tracked for several years. Let � represent the year and � the high temperature. Based on the data shown below, calculate the correlation coefficient (to three decimal places) between � and �. Use your calculator!

x y
2 25.68
3 25.26
4 25.24
5 23.32
6 22.5
7 24.88
8 20.96
9 21.04
10 20.62
11 19.1



�= 

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