Steps 1 2 and 3 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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Question
Steps 1 2 and 3 please
Transcribed Image Text:11.
Consider the relationship between the number of bids an item on eBay received and the
item's selling price. The following is a sample of 5 items sold through an auction.
Price in Dollars 120 154163 179 180
Number of Bids 14 14 16 18 20
Summation table
Xy
x2
y2
ху
Item 1 120 14 1680 14400 196
Item 2 154 14 2156 23716| 196
Item 3 163 16 2608 26569 256
Item 4 179 18 3222 | 32041 324one
Item 5 180 20 3600 32400 400
Sum 796 82 13266 129126 1372
Step 1. Calculate the sum of squared errors (SSE). Use the values bo = 2.3745 and
b, = 0.0881 for the calculations. Round your answer to three decimal places.
Answer:
Step 2. Calculate the estimated variance of errors, s. Round your answer to three
decimal places.
Answer:
113 of 135
MAT 106.04 Professor Felix
Transcribed Image Text:Step 3. Calculate the estimated variance of slope, s.. Round your answer to three
decimal places.
Answer:
owenA
Step 4. Construct the 80% confidence interval for the slope. Round your answers to
three decimal places.
Answer: Lower endpoint:
Upper endpoint:
Step 5. Construct the 98% confidence interval for the slope. Round your answers to
three decimal places.
Answer: Lower endpoint:
Upper endpoint:
The following data give the number of hours 5 students spent studying and their
corresponding grades on their midterm exams.
12.
Hours Studying 3 3 45 5
Midterm Grades 72 74 7475 79
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