Step 5 and 6 please

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Step 5 and 6 please
Price in Dollars 31 38 42 44 46
Number of Bids 3 4 6 79
Summation Table
x2
y2
y
ху
93
Bid 1 31 3
961
9.
Bid 2 38 4 152 1444 16
Bid 3 42 6 252 1764 36
Bid 4 44 7 308 1936 49
Bid 5 46 9 414 2116 81
Sum 201 29 1219 8221 191
Step 1. Find the estimated slope. Round your answer to three decimal places.
Answer: O. 3 78
Step 2. Find the estimated y-intercept. Round your answer to three decimal places.
-9.389
Answer:
Step 3. Determine the value of the dependent variable ŷ at x = 0.
A) bo
-9.389204 + 0. 3 77 8 40 x
B) b1
C) x
D) y
Transcribed Image Text:Price in Dollars 31 38 42 44 46 Number of Bids 3 4 6 79 Summation Table x2 y2 y ху 93 Bid 1 31 3 961 9. Bid 2 38 4 152 1444 16 Bid 3 42 6 252 1764 36 Bid 4 44 7 308 1936 49 Bid 5 46 9 414 2116 81 Sum 201 29 1219 8221 191 Step 1. Find the estimated slope. Round your answer to three decimal places. Answer: O. 3 78 Step 2. Find the estimated y-intercept. Round your answer to three decimal places. -9.389 Answer: Step 3. Determine the value of the dependent variable ŷ at x = 0. A) bo -9.389204 + 0. 3 77 8 40 x B) b1 C) x D) y
Step 4. Find the estimated value of y when x = 42. Round your answer to three
decimal places.
Answer:6,480
Step 5. Substitute the values you found in steps 1 and 2 into the equation for the
regression line to find the estimated linear model. According to this model, if the value
of the independent variable is increased by one unit, then find the change in the
dependent variable ý.
Answer:
Step 6. Find the value of the coefficient of determination. Round your answer to three
decimal places.
Answer:
Transcribed Image Text:Step 4. Find the estimated value of y when x = 42. Round your answer to three decimal places. Answer:6,480 Step 5. Substitute the values you found in steps 1 and 2 into the equation for the regression line to find the estimated linear model. According to this model, if the value of the independent variable is increased by one unit, then find the change in the dependent variable ý. Answer: Step 6. Find the value of the coefficient of determination. Round your answer to three decimal places. Answer:
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