In a simple linear regression, the following information is given: Calculate b 1
ID: 3362278 • 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 25. (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 =Sxy/Sxx =-864/726=-1.19
b) bo =Ybar-b1*Xbar =46-(-1.19)*(-38)=0.78
c-1) sample regression equation Yhat =0.78-1.19x
c-2) Predicted y =0.78-1.19*(-25)=30.53