In a simple linear regression, the following information is given: Calculate b 1
ID: 3313299 • Letter: I
Question
In a simple linear regression, the following information is given:
Calculate b1. (Negative value should be indicated by a minus sign. Round your answer to 2 decimal places.)
Calculate b0. (Round intermediate calculations to 4 decimal places and final answer to 2 decimal places.)
What is the sample regression equation? (Negative value should be indicated by a minus sign. Round your answers to 2 decimal places.)
Predict y if x equals 22. (Round intermediate coefficient values and final answer to 2 decimal places.)
rev: 10_21_2016_QC_CS-66968
In a simple linear regression, the following information is given:
Explanation / Answer
a) b1 =SSxy/SSxx =-844/734 =-1.15
b) b0 =ybar-b1*Xbar =42-(-1.15)*(-23)=15.55
c-1) yhat= 15.55+(-1.15)x
c-2) forx =-22 ; yhat= = 15.55+(-1.15)*(-22)=40.85