Compute the correlation coefficient r. Round your answer to three decimals.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter11: Topics From Analytic Geometry
Section11.4: Plane Curves And Parametric Equations
Problem 49E
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Question
The percentages of people
who are satisfied with the
way things are in their
country are shown in the
table below. Let p be the
percentage of people at t
years since 2000 who are
satisfied with the way
things are. (We use t = 0 to
represent 2000, t = 1
represents 2001, t = 2
represents 2002, and so
on.)
Year Percent
2
20
32 28
30
4
5
6
7
8
9
38
41
47
55
54
Compute the correlation
coefficient r. Round your
answer to three decimals.
Transcribed Image Text:The percentages of people who are satisfied with the way things are in their country are shown in the table below. Let p be the percentage of people at t years since 2000 who are satisfied with the way things are. (We use t = 0 to represent 2000, t = 1 represents 2001, t = 2 represents 2002, and so on.) Year Percent 2 20 32 28 30 4 5 6 7 8 9 38 41 47 55 54 Compute the correlation coefficient r. Round your answer to three decimals.
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