Following are age and price data for 8 randomly selected ambulances between 1 and 6 years old. Here, x denotes age, in years, and y denotes price, in hundreds of dollars. Use the information to do parts (a) through (d). X 6 1 6 2 6 2 4 5 y 280 420 275 350 255 365 325 290 Σx= 32, Σy = 2560, Σxy = 9460, Σx = 158, Σy = 840,900 a. Compute SST, SSR, and SSE, using the formulas, SST = (Exivi - (Exi) (Exi) /n)² Σx - (Σχ.) in SST= (Round to two decimal places as needed.) SSR= = Σy? - (Σy₁) ² /n, . and SSE = SST - SSR.
Following are age and price data for 8 randomly selected ambulances between 1 and 6 years old. Here, x denotes age, in years, and y denotes price, in hundreds of dollars. Use the information to do parts (a) through (d). X 6 1 6 2 6 2 4 5 y 280 420 275 350 255 365 325 290 Σx= 32, Σy = 2560, Σxy = 9460, Σx = 158, Σy = 840,900 a. Compute SST, SSR, and SSE, using the formulas, SST = (Exivi - (Exi) (Exi) /n)² Σx - (Σχ.) in SST= (Round to two decimal places as needed.) SSR= = Σy? - (Σy₁) ² /n, . and SSE = SST - SSR.
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.6: The Inverse Trigonometric Functions
Problem 94E
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Transcribed Image Text:Following are age and price data for 8 randomly selected ambulances between 1 and 6 years old. Here, x
denotes age, in years, and y denotes price, in hundreds of dollars. Use the information to do parts (a)
through (d).
X
6
1
6
2
6
2 4 5
y
280 420 275 350 255 365 325 290
Σx= 32, Σy = 2560, Σxy = 9460, Σx = 158, Σy = 840,900
a. Compute SST, SSR, and SSE, using the formulas, SST =
(Σ×y - (Σχ) (Σy) /n)2
Ex² - (Ex)²/n
2
SST = (Round to two decimal places as needed.)
- Σy? - (Σ»)2/n,
SSR=
and SSE=SST-SSR.
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