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Chapter 6: Q.33 (page 357)

Predicting posttest scores(3.2) What is the equation of the linear regression model relating posttest and pretest scores? De铿乶e any variables used.

Short Answer

Expert verified

The equation of the regression line isy^=17.897+0.78301x

Step by step solution

01

Step 1:Given Information

It is given in the question that,

02

Explanation

The general equation of the regression line is written as:

y^=a+bx

ais the Y-intercept

bis the slope coefficient

The general equation of the regression line could be expressed as follows using the information provided:

y^=a+bx

y^=17.897+0.78301x.

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