Question

For the data set shown​ below

x   y
20   98
30   95
40   91
50   83
60   70

​(a) Use technology to find the estimates of β0 and β1.

β0≈b0=__?__

​(Round to two decimal places as​ needed.)

β1≈b1=__?__

​(Round to two decimal places as​ needed.)

Answer 1

We can use here Excel for regression equation

Step 1) Enter data in Excel .

Step 2) Data >>Data analysis >>Regression >>Select y and x values separately >>Ok

β0≈b0=114.60..................y intercept

β1≈b1=-0.68........................slope