Using the image attached, please assist with the following showing all working. a. Would the simple regression be useful in predicting price given the number of pages of 90? In responding, state the null hypothesis(es), the decision rule for α = 0.05 and make the decision for each hypothesis. b. Find and interpret a 90% confidence interval for the slope of the regression line. c. Find and interpret a 95% confidence interval for the price when the pages are $50.
Using the image attached, please assist with the following showing all working. a. Would the simple regression be useful in predicting price given the number of pages of 90? In responding, state the null hypothesis(es), the decision rule for α = 0.05 and make the decision for each hypothesis. b. Find and interpret a 90% confidence interval for the slope of the regression line. c. Find and interpret a 95% confidence interval for the price when the pages are $50.
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
Using the image attached, please assist with the following showing all working.
a. Would the simple regression be useful in predicting price given the number of pages of 90?
In responding, state the null hypothesis(es), the decision rule for α = 0.05 and make the
decision for each hypothesis.
b. Find and interpret a 90% confidence interval for the slope of the regression line.
c. Find and interpret a 95% confidence interval for the price when the pages are $50.
Transcribed Image Text:A book publisher charges its clients based on the number of pages that are printed. The table below
shows the number of pages printed of the last six books and the cost of the items:
Price ($)
Number of
pages
143
42
179
50
197
47
335
58
384
57
423
73
Expert Solution
Step 1: Write the given information
Given the table shows the number of pages printed of the last six books and the cost of the items as
| price ($) | number of pages |
| 143 | 42 |
| 179 | 50 |
| 197 | 47 |
| 335 | 58 |
| 384 | 57 |
| 423 | 73 |
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