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a. Test if the residuals look normally distributed. If not where do they differ? b. test that the slope of your line is significantly away from 0. What can you conclude from this? c. Explain why question "Part a" is relevant to your answer for "Part b". What technique did we learn if "Part a" fails?

a. Test if the residuals look normally distributed. If not where do they differ? b. test that the slope of your line is significantly away from 0. What can you conclude from this? c. Explain why question "Part a" is relevant to your answer for "Part b". What technique did we learn if "Part a" fails?

Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
1st Edition
ISBN:9781680331141
Author:HOUGHTON MIFFLIN HARCOURT
Publisher:HOUGHTON MIFFLIN HARCOURT
Chapter4: Writing Linear Equations
Section: Chapter Questions
Problem 12CR
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Please provide step by step solution and explain logic of the attached question, thanks!

Converting the residuals into z-scores and bucketing them we get the following distribution Bucket < -2 -2<z< -1.5<z -1<z< -0.5<z 0<z<0 0.5<z 1<z<1 1.5<z >2 -1.5 <-1 -0.5 <0 .5 <1 .5 <2 Count 5 4 22 34 66 54 38 14 9. 6 a. Test if the residuals look normally distributed. If not where do they differ? b. test that the slope of your line is significantly away from 0. What can you conclude from this? c. Explain why question "Part a" is relevant to your answer for "Part b". What technique did we learn if "Part a" fails?
Transcribed Image Text:Converting the residuals into z-scores and bucketing them we get the following distribution Bucket < -2 -2<z< -1.5<z -1<z< -0.5<z 0<z<0 0.5<z 1<z<1 1.5<z >2 -1.5 <-1 -0.5 <0 .5 <1 .5 <2 Count 5 4 22 34 66 54 38 14 9. 6 a. Test if the residuals look normally distributed. If not where do they differ? b. test that the slope of your line is significantly away from 0. What can you conclude from this? c. Explain why question "Part a" is relevant to your answer for "Part b". What technique did we learn if "Part a" fails?
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