Purchase Solution

Simple Regressions and Multiple Regressions

Not what you're looking for?

Ask Custom Question

What is simple linear regression?

How is regression used to create equations and to make predictions?

Should variables be strongly correlated in order to use one to predict the other?

How is regression used to generate prediction equations in SPSS?

How are prediction equations used to make predictions?

What is multiple linear regression?

How are predictions made using multiple linear regression equations?

How are dependent (criterion) and independent variables identified?

Purchase this Solution

Solution Summary

The solution gives a detailed discussion on simple regressions and multiple regressions including concept and analysis.

Solution Preview

What is simple linear regression?
The simple linear regression is a method to determine the relationship between one dependent variable and one independent variable.

How is regression used to create equations and to make predictions?
We use the method of least squares. That is, we minimize the sum of the squared residuals where residuals are difference between acutal data and predicted data. After that, we will get the estimate of slope and intercept.

Should variables be strongly correlated in order to use one to predict the ...

Purchase this Solution


Free BrainMass Quizzes
Terms and Definitions for Statistics

This quiz covers basic terms and definitions of statistics.

Measures of Central Tendency

Tests knowledge of the three main measures of central tendency, including some simple calculation questions.

Measures of Central Tendency

This quiz evaluates the students understanding of the measures of central tendency seen in statistics. This quiz is specifically designed to incorporate the measures of central tendency as they relate to psychological research.

Know Your Statistical Concepts

Each question is a choice-summary multiple choice question that presents you with a statistical concept and then 4 numbered statements. You must decide which (if any) of the numbered statements is/are true as they relate to the statistical concept.