Regression analysis for sales and earnings
Not what you're looking for?
Is there any way you can help me determine the regression equation on the following problem. I have done all of it but part 5
See attached file for full problem description.
Purchase this Solution
Solution Summary
Regression analysis for sales and earnings. Regression model, Coefficient of correlation, coefficient of determination, regression equation and a scatter diagram are determined based on the data.
Solution Preview
Please see the attached file.
A recent article in Business Week listed the "Best Small Companies." We are interested in the current results of the companies' sales and earnings. A random sample of 12 companies was selected and the sales and earnings, in millions of dollars, are reported below.
Company Sales($ Millions) Earnings($ Millions)
Papa John's 89.2 4.9
Applied Innovation 18.6 4.4
Integracare 18.2 1.3
Wall Data 71.7 8.0
Davidson Associates 58.6 6.6
Chico's Fas 46.8 4.1
Checkmate ...
Purchase this Solution
Free BrainMass Quizzes
Terms and Definitions for Statistics
This quiz covers basic terms and definitions of statistics.
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.
Measures of Central Tendency
Tests knowledge of the three main measures of central tendency, including some simple calculation questions.