Purchase Solution

The relationship between two variables

Not what you're looking for?

Ask Custom Question

Calculate, test, and interpret the relationship between two variables using the correlation coefficient.

The following sample observations were randomly selected.

X: 5 4 4 5 11
Y: 5 7 4 6 8

Picture Click here for the Excel Data File

a. Determine the regression equation. (Round your answers to 3 decimal places.)

formula20.mml = + X

b. Determine the value of formula432.mml when X is 8. (Round your answer to 3 decimal places.)

formula432.mml

Purchase this Solution

Solution Summary

This solution discusses the relationship between two variables.

Solution Preview

Hi there,

Thanks for letting me work on your post. Here is my explanation:

a. mean of x=(5+4+4+5+11)/5=5.8
mean ...

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.

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.