For the data shown to the right, determine the linear correlation coefficient using the formulas shown below. Compare your answers in part (a) and (b). ΠΙΣ (-x) (1-5) - SxSy a. Use the definition r = b. Use the computing formula r = Σ×y - (Σχ) (Σ») π [Σx? - (Σ×)*′n] [Σ? - (Σ»), n] x 13520 0 - y 570 0 - 3
For the data shown to the right, determine the linear correlation coefficient using the formulas shown below. Compare your answers in part (a) and (b). ΠΙΣ (-x) (1-5) - SxSy a. Use the definition r = b. Use the computing formula r = Σ×y - (Σχ) (Σ») π [Σx? - (Σ×)*′n] [Σ? - (Σ»), n] x 13520 0 - y 570 0 - 3
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter4: Polynomial And Rational Functions
Section4.6: Variation
Problem 7E
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Thanks!
Gap is;
much larger than/much smaller than/roughly the same as
![Find the sum Ex².
Ex = ]
(Type an integer or a decimal. Do not round.)
Find the sum Σy.
Σy-Π
(Type an integer or a decimal. Do not round.)
Determine the value of r.
(Type an integer or decimal rounded to three decimal places as needed.)
The value in part (a) is
the value in part (b).](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F517d42aa-3d22-4973-9ca9-01fed9054391%2F4627d458-5dd1-4567-abc4-4f71408dbf05%2Fwihjeib_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Find the sum Ex².
Ex = ]
(Type an integer or a decimal. Do not round.)
Find the sum Σy.
Σy-Π
(Type an integer or a decimal. Do not round.)
Determine the value of r.
(Type an integer or decimal rounded to three decimal places as needed.)
The value in part (a) is
the value in part (b).
![For the data shown to the right, determine the linear correlation coefficient using the formulas shown below. Compare your answers in part (a) and (b).
ΠΙΤΣ (-x) (1-5)
n-1
SxSy
a. Use the definition r =
b. Use the computing formula r =
a. Find the sum Σ(-x) (yi-5).
Σ(-x) (1-5) =D
(Type an integer or a decimal. Do not round.)
Determine the value of r.
r-
Σ×yi - (Σ×i) (Σyi) / n
[Σx - (Σ×)2′n] [Σy - (Σy)2′n]
/n
(Type an integer or decimal rounded to three decimal places as needed.)
Σχ.
b. Find the sum
Ex==
(Type an integer or a decimal. Do not round.)
Find the sum
ΣΥ.
Σy=Π
(Type an integer or a decimal. Do not round.)
Find the sum Exy
Σχy ==
(Type an integer or a decimal. Do not round.)
...
X 3520 0
y
5700-3](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F517d42aa-3d22-4973-9ca9-01fed9054391%2F4627d458-5dd1-4567-abc4-4f71408dbf05%2Fna33io8_processed.jpeg&w=3840&q=75)
Transcribed Image Text:For the data shown to the right, determine the linear correlation coefficient using the formulas shown below. Compare your answers in part (a) and (b).
ΠΙΤΣ (-x) (1-5)
n-1
SxSy
a. Use the definition r =
b. Use the computing formula r =
a. Find the sum Σ(-x) (yi-5).
Σ(-x) (1-5) =D
(Type an integer or a decimal. Do not round.)
Determine the value of r.
r-
Σ×yi - (Σ×i) (Σyi) / n
[Σx - (Σ×)2′n] [Σy - (Σy)2′n]
/n
(Type an integer or decimal rounded to three decimal places as needed.)
Σχ.
b. Find the sum
Ex==
(Type an integer or a decimal. Do not round.)
Find the sum
ΣΥ.
Σy=Π
(Type an integer or a decimal. Do not round.)
Find the sum Exy
Σχy ==
(Type an integer or a decimal. Do not round.)
...
X 3520 0
y
5700-3
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