decimal places. 6.171 Answer:0.013 468 Step 4. Construct the 80% confidence interval for the slope. Ro- hree decimal places. answer: Lower endpoint: Upper endpoint:

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 4 please
Summation table
у ху
x2
y2
400
Item 1 20 2
Item 2 21 5 105 441 25
Item 3 21 8
Item 4 35 9 315 1225 81
Item 5 44
Sum 141 33 1024 4443 255
40
168 441
64
9
396 1936 81
4.4542
5.1593
7.9 607
9.7616
Step 1. Calculate the sum of squared errors (SSE). Use the values bo = 0.9572 and
b, = 0.2001 for the calculations. Round your answer to three decimal places.
Answer: .512
0.9572 + 0.2001 (0,21, 29, 4 4)
Step 2. Calculate the estimated variance of errors, s. Round your answer to three
decimal places.
SSE
18.512-
13.512 6.17l
Answer: .17.
n-2
5-2
Step 3. Calculate the estimated variance of slope, s. Round your answer to three
decimal places.
Answer:0.013
6.171
5.
4468
Step 4. Construct the 80% confidence interval for the slope. Round your answers to
three decimal places.
Answer: Lower endpoint:
Upper endpoint:
Transcribed Image Text:Summation table у ху x2 y2 400 Item 1 20 2 Item 2 21 5 105 441 25 Item 3 21 8 Item 4 35 9 315 1225 81 Item 5 44 Sum 141 33 1024 4443 255 40 168 441 64 9 396 1936 81 4.4542 5.1593 7.9 607 9.7616 Step 1. Calculate the sum of squared errors (SSE). Use the values bo = 0.9572 and b, = 0.2001 for the calculations. Round your answer to three decimal places. Answer: .512 0.9572 + 0.2001 (0,21, 29, 4 4) Step 2. Calculate the estimated variance of errors, s. Round your answer to three decimal places. SSE 18.512- 13.512 6.17l Answer: .17. n-2 5-2 Step 3. Calculate the estimated variance of slope, s. Round your answer to three decimal places. Answer:0.013 6.171 5. 4468 Step 4. Construct the 80% confidence interval for the slope. Round your answers to three decimal places. Answer: Lower endpoint: Upper endpoint:
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