Purchase Solution

Multiple regression analysis

Not what you're looking for?

Ask Custom Question

Researcher created a regression models to predict BirthRate (births per 1,000) using the following five predictors (Independent Variables):
+ Life Exp (life expectancy in years)
+ Inf Mort (infant mortality rate)
+ Density (population density per square kilometer)
+ GDP Cap (Gross Domestic Product per capita)
+ Literate (literacy percent)

SUMMARY OUTPUT

Regression Statistics
Multiple R 0.910
R Square 0.812
Adjusted R Square 0.806
Standard Error 5.287
Observations 153

ANOVA
df SS MS F Significance F
Regression 5 17734.58 3546.92 126.88 0.000
Residual 147 4109.26 27.95
Total 152 21843.84

Regression output
Coefficients Standard Error t Stat P-value
Intercept 38.9839 6.3242 6.1643 0.0000
LifeExp -0.0405 0.0757 -0.5346 0.5937
InfMort 0.1266 0.0273 4.6386 0.0000
Density -0.0003 0.0006 -0.4843 0.6289
GDPCap -0.0001 0.0001 -2.0319 0.0440
Literate -0.2191 0.0289 -7.5774 0.0000

A. What is the Dependent Variable?

B. Interpret these results. Address the following
1. Coefficient of correlation, r (Multiple R)

2. R Square. How much variation is explained?

Purchase this Solution

Solution Summary

The solution provides step by step method for the calculation of multiple regression model . Formula for the calculation and Interpretations of the results are also included.

Purchase this Solution


Free BrainMass Quizzes
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.

Measures of Central Tendency

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

Terms and Definitions for Statistics

This quiz covers basic terms and definitions of statistics.

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.