Statistics: Using the Regression Equation
Not what you're looking for?
A regression equation was estimated for result X=20 to 50 and Y= 200 to 500. Using the regression result
Y=4X+150
a. predict Y if X is 51
b. predict Y if X is 80
c. Which of the above results might be suspect, and why?
Purchase this Solution
Solution Summary
This solution explains how to use the regression result of the given equation to predict several changes in variables.
Solution Preview
The solutions to parts a. and b. are very simple. To predict Y for a given value of X, you replace X in the regression equation with the value of X and then solve for Y.
a. Y = 4X +150 = 4(51) + 150 = ...
Purchase this Solution
Free BrainMass Quizzes
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.
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.