Page 137 - Quantitative Data Analysis

Quantitative Data Analysis
Simply Explained Using SPSS

Unit # 9

REGRESSION

6.
Learning Outcomes
7.

8.
At the end of this unit, readers will be able to:
9.  Understand and be able to know about simple and

multiple regressions.
10.  Identify when to use multiple regressions and predictive
variable cases.
11.  Calculate the correlation / regression manually and in

SPSS.
12.
 Understand about coefficient of determination and
coefficient beta in regression analysis.
13.
Correlation
 Manually calculate the multiple regression equations
14.
 Interpret results of simple and multiple regressions

 Get concept clear about suppressor variable and
15. explanatory and predictive
distinguish between
variables.

SIMPLE REGRESSION

Simple regression involves one variable in the equation. Correlation
measures direction and strength of a linear relationship between
two quantitative variables. A correlation is a statistical method used
to measure and describe the relationship between two variables. A

The Theory and Applications of Statistical Inferences 121