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). 6 1 6 2 6 2 5 260 420 255 370 280 350 300 X y Ex= x = 32,Σy = 2550,Σxy = 9390, 4 315 = 158, y² = 836,050 2 SST = D a. Compute SST, SSR, and SSE, using the formulas, SST = Σy? - (Σy) 2/n, SSR = (Round to two decimal places as needed.) ... (Exivi - (Exi) (Σvi) /n) ² Ex² - (Ex)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). 6 1 6 2 6 2 5 260 420 255 370 280 350 300 X y Ex= x = 32,Σy = 2550,Σxy = 9390, 4 315 = 158, y² = 836,050 2 SST = D a. Compute SST, SSR, and SSE, using the formulas, SST = Σy? - (Σy) 2/n, SSR = (Round to two decimal places as needed.) ... (Exivi - (Exi) (Σvi) /n) ² Ex² - (Ex)²/n and SSE SST-SSR.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
B:compute the coefficient of determination,r^2
C:Determine the percentage of variation in the observed values of the response variable explained by the regre

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
260 420 255 370 280 350
315
300
Σx = 32,Σy = 2550,Σxy = 9390,Σx2 = 158,Σy2 = 836,050
a. Compute SST, SSR, and SSE, using the formulas, sst = Σy? - (Σy;) 2/n, SSR =
SST
SST= (Round to two decimal places as needed.)
(Σ×iyi - (Σ×i) (Σyi) /n)2
Σχΐ - (Σχι) 2 in
/n
and SSE = SST – SSR.
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