Complete the table and solve the coefficient of correlation. Advertising expenses (x) Sales XY X² 15 21 18 27 20 20 24 28 16 17 26 31 10 7 16 14 11 14 38 34 36 39 32 31 Total - From the table compute the following: N (Σ xY)-(Σ X)(ΣΥ) r = [N(Σ X2)-(Σ X)2][N (ΣΥ2)-(ΣΥ)2] Y2
Complete the table and solve the coefficient of correlation. Advertising expenses (x) Sales XY X² 15 21 18 27 20 20 24 28 16 17 26 31 10 7 16 14 11 14 38 34 36 39 32 31 Total - From the table compute the following: N (Σ xY)-(Σ X)(ΣΥ) r = [N(Σ X2)-(Σ X)2][N (ΣΥ2)-(ΣΥ)2] Y2
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter4: Polynomial And Rational Functions
Section4.6: Variation
Problem 5E
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Complete the table and solve the coefficient of correlation .
with solution amd explanation please.
![Complete the table and solve the coefficient of correlation.
Advertising expenses (x)
Sales
XY
X²
15
21
18
27
20
20
24
28
16
17
26
31
10
7
16
14
11
14
38
34
36
39
32
31
Total -
From the table compute the following:
N (Σ XY)-(Σ X)(ΣΥ)
r=-
[N(Σ x2)-(Σ X)2][N (ΣΥ2)-(ΣΥ)2]
Y²](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd793221f-af0b-479d-87df-43faf7f6a89b%2F01f709ea-ff9c-4081-b4a3-8189fa555edc%2Fmwnay2_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Complete the table and solve the coefficient of correlation.
Advertising expenses (x)
Sales
XY
X²
15
21
18
27
20
20
24
28
16
17
26
31
10
7
16
14
11
14
38
34
36
39
32
31
Total -
From the table compute the following:
N (Σ XY)-(Σ X)(ΣΥ)
r=-
[N(Σ x2)-(Σ X)2][N (ΣΥ2)-(ΣΥ)2]
Y²
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