The following is a set of data from a sample of n = 11 items. Complete parts (a) through (c). 15 39 57 48 18 15 18 57 36 39 13 19 16 6 6 19 12 13 X Y 5 a. Compute the sample covariance. (Round to three decimal places as needed.) 5 3 1 ***

The following is a set of data from a sample of n = 11 items. Complete parts (a) through (c). 15 39 57 48 18 15 18 57 36 39 13 19 16 6 6 19 12 13 X Y 5 a. Compute the sample covariance. (Round to three decimal places as needed.) 5 3 1 ***

Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015

1st Edition

ISBN:9781680331141

Author:HOUGHTON MIFFLIN HARCOURT

Publisher:HOUGHTON MIFFLIN HARCOURT

Chapter9: Solving Quadratic Functions

Section: Chapter Questions

Problem 4CA

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Question

a. Compute the sample covariance.

b. Compute the coefficient of correlation.

c. How strong is the relationship between X and Y? Explain.

HURRRRYYYY

The following is a set of data from a sample of n = 11 items. Complete parts (a) through (c).
15
39
57
18 15
18 57 36 39
13
19
6
5
6
19
12
13
X
Y
5
48
16
a. Compute the sample covariance.
(Round to three decimal places as needed.)
3
1
***

Definition Definition Relationship between two independent variables. A correlation tells the degree to which variables move in relation to each other. When two sets of data are related to each other, there is a correlation between them.

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