Regression analysis
Not what you're looking for?
The data below are the ages and systolic blood pressures of 9 randomly selected adults. Construct a scatter plot for the data. Find the equation of the regression line for the given data, linear correlation coefficient, r, and the coefficient of determination, r2,.
Age x 38 41 45 48 51 53 57 61 65
Pressure y 116 120 123 131 142 145 148 150 152
Based on your findings, is a a predictor of blood pressure?
Purchase this Solution
Solution Summary
Step by step method for regression analysis is discussed here. Regression coefficients, coefficient of determination, scatter diagram and significance of regression model are explained in the solution.
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.
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
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.