Purchase Solution

Scatter Plots and Correlation Coefficients

Not what you're looking for?

Ask Custom Question

Question 1: Problem 2.13 from the text. Use Excel to construct your scatter plot. Write your answers to the questions in a word document. Include the scatter plot you created in your word document.

Question 2: Problem 2.37 from the text. Use Excel to construct a scatter plot. Compute the correlation coefficient by using columns in excel. You may use excel to do the hand computations. In other words you may use excel to sum up the column compute the squares of each column, etc. Answer any question in a word document.

Question 3: Problem 2.61 from the text. Use Excel to perform all of the computations and upload your work.

Attachments
Purchase this Solution
Solution Summary

This solution is comprised of a detailed explanation for correlation coefficient and scatter plots. The data analysis tool is used for the correlation analysis in Excel, correlation coefficient is also calculated manually by showing all the formulas and calculations. Full interpretation is given for correlation and scatter plots.

Purchase this Solution
Free BrainMass Quizzes
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.

Terms and Definitions for Statistics

This quiz covers basic terms and definitions of statistics.

View More Free Quizzes
Related BrainMass Solutions

  • Correlation coefficient and scatter plot

    The expert examines correlation coefficients and scatter plots for displaying data.

  • Scatter-Plot and Correlation Coefficient

    The expert examines scatter-plots and correlation coefficients.

  • Correlation and regression, hand calculations

    214087 Understanding correlation: scatter plots, coefficient of correlation, coefficient of determination, and a regression equation. 1st problem A study is conducted concerning automobile speeds and fuel consumption rates.

  • Scatterplots, Coefficients, and Regression Analysis

    This is a set of solutions for correlation coefficients, scatter plots, linear correlations, and regression analyses.

  • Correlation and Regression Analysis

    The solution gives the complete steps of correlation and regression analysis. Regression coefficients, scatter diagram, R square value are calculated and interpretations are also given.

  • Correlations,Null Hypothesis,Chi-square,Scatter Plot Etc

    Correlations, null hypothesis, chi-square, scatter plots and coefficients are determined. A Complete, Neat and Step-by-step Solution is provided in the attached Excel file.

  • Hypothesis Testing and Scatter Plots

    b) Calculate the correlation coefficient c) Make a conclusion based upon the correlation coefficient. d) Calculate the equation of the regression line and draw the line in your scatter plot.

  • Regression model for crime rate

    Figure 3: Scatter Plots with error band for Precinct 1. Figure 4 Scatter Plots with error band for Precinct 2. The error bands suggests that the variation is around the regression line is high in Precinct 2.

  • scatter plot and correlation

    210191 scatter plot and correlation Given scatter plots: determine correlation among variables. Answer the following questions about the relationships between pairs of variables and the values of r, the sample correlation coefficient.

View More Related Solutions