a)A simple linear regression model is fitted based on the least squares estimation. Calculate point estimates of the slope and intercept of the simple linear regression model. (b) Does x has a significant effect on y based on significance level of 0.05? Please use p-value approach to answer your question. (c) Calculate the confidence interval for the slope coefficient with a confidence level of 99%, and further interpret the interval.
a)A simple linear regression model is fitted based on the least squares estimation. Calculate point estimates of the slope and intercept of the simple linear regression model. (b) Does x has a significant effect on y based on significance level of 0.05? Please use p-value approach to answer your question. (c) Calculate the confidence interval for the slope coefficient with a confidence level of 99%, and further interpret the interval.
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
a)A simple linear regression model is fitted based on the least squares estimation.
Calculate point estimates of the slope and intercept of the simple linear regression
model.
(b) Does x has a significant effect on y based on significance level of 0.05? Please
use p-value approach to answer your question.
(c) Calculate the confidence interval for the slope coefficient with a confidence
level of 99%, and further interpret the interval.
![The following data (shown in Table[] ) on y = sorbed concentration (ug/g) and x
= equilibrium concentration (µg/mL) of certain chemical compounds in a particu-
lar natural river sediment contains a sample of 8 observations.
Table 1: The data sample in Problem 1
x| 0.13 0.14 | 0.18 | 0.29 | 0.44 0.67
y 2.17 | 2.33 | 3.00 || 5.17 7.61
0.93
0.78
11.17| 12.72 | 14.78](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ffd5c5bed-428f-4fc6-88a2-4182bb244de6%2Fb203b059-2f4a-42ce-9a1a-9a27a996c2f8%2Fp2t3boh_processed.png&w=3840&q=75)
Transcribed Image Text:The following data (shown in Table[] ) on y = sorbed concentration (ug/g) and x
= equilibrium concentration (µg/mL) of certain chemical compounds in a particu-
lar natural river sediment contains a sample of 8 observations.
Table 1: The data sample in Problem 1
x| 0.13 0.14 | 0.18 | 0.29 | 0.44 0.67
y 2.17 | 2.33 | 3.00 || 5.17 7.61
0.93
0.78
11.17| 12.72 | 14.78
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