Purchase Solution

Statistics - Regression - Interpretation of results

Not what you're looking for?

Ask Custom Question

In the following regression, X = weekly pay, Y = income tax withheld, and n = 35 McDonald's employees.

(a) Write the fitted regression equation. (b) State the degrees of freedom for a twotailed test for zero slope, and use Appendix D to find the critical value at α = .05.
(c) What is your conclusion about the slope?
(d) Interpret the 95 percent confidence limits for the slope.
(e) Verify that F = t2 for the slope.
(f) In your own words, describe the fit of this regression.

See attached file for the regression.

Attachments
Purchase this Solution
Solution Summary

In this problem, a Regression output generated by a statistical software is given, and it is asked to interprete the results.
In solution, it is explained how to interprete the computer generated Regression results, how to write the equation, how to find the degrees of freedom, how to write the results of the hypothesis test based on the regression output generated by a computer software, how to write the confidence interval and how to locate the coefficient of determination and how to interprete it.
It facilitates students to interprete the computer output of regression.

Solution Preview

The detailed step by step solution is given in the attached solution file. However brief steps are given below:

(a): Income Tax withheld = 30.7963 + 0.0343 *(weekly pay)

(b): The degree of freedom for a two ...

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.

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.

View More Free Quizzes
Related BrainMass Solutions

  • ANOVA, Regression and Testing of hypothesis problems

    The solution gives complete details of computing regression coefficients, test statistics, analysis variance for a set of problems. Interpretation of the results are also given.

  • Data Analysis and Reporting

    The Word file contains the research question and hypotheses, descriptive statistics, analysis of the survey data, and summaries of important computations, as well as the results and the interpretation of the results.

  • Data Presentation,Model Specification, Interpret Results of Data

    If 2 or more regression models are estimated, provide the detail justifications for them (2 pgs) INTERPRETATION OF RESULTS: Must provide a clear, concise, consistent and accurate summary of results from the linear regression model(s).

  • Descriptive Statistics, Bivariate and Linear Regression

    Include relevant tables and a description/interpretation of results. 3. Two simple linear regressions: 1) age as a predictor of FEV, and 2) height as a predictor of FEV. Describe and interpret the results (including the coefficients).

  • Interpretation of Regression Results

    In this problem the output of a regression analysis is given. The solution provides proper interpretation of the results.

  • Statistics: ANOVA, Relationships, and Regression

    - Remember to show all steps and to explain and give an interpretation of the results. See the attached file. Take the stocks provided, and provide a set of bivariate data: Determine the independent and dependent variables.

  • Regression Analysis: Interpretation

    299928 Statistics: Regression models to predict birthrates.

  • Exercise 11.44 Unsafe Insurance Company

    As we have learned from our studies, during an interpretation of regression results, "the R-square can vary between 0.00 and 1.00" (Hilton, 2005, p. 419).

  • Scatterplot and Interpretation

    The solution includes a scatterplot, results from a linear regression, and a full interpretation of the results.

  • Correlation Types and Statistical Analysis

    If so, provide a description or interpretation of the results. 4) What relationships (correlations), were identified in the attached case study? 1) What descriptive statistics were reported in the attached case study?

View More Related Solutions