Consider the following data set.d) testing at a 5% significance level, can you say that the intercept (β0) is not zero? How does this conclusion agree with the plot in b)?e) Assume that the first data point is an outlier (e.g. the value was misrecorded). Remove the outlier, and redo parts b)-d). Plot the new data set and the new regression line. Comment on the difference. Also comment on the difference between the results of the tests in c) and d), if any. 123456.2.50 0.200.60 0.751.101.20

The independent variable is x. The dependent variable is y. This is simple linear regression model.…

Answered: Consider the following data set. d)…

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Consider the following data set.

d) testing at a 5% significance level, can you say that the intercept (β0) is not zero? How does this conclusion agree with the plot in b)?
e) Assume that the first data point is an outlier (e.g. the value was misrecorded). Remove the outlier, and redo parts b)-d). Plot the new data set and the new regression line. Comment on the difference. Also comment on the difference between the results of the tests in c) and d), if any.