Purchase Solution

Plot/Regression line

Not what you're looking for?

Ask Custom Question

A. Create a scatter plot of the data. Do you think that there is a relationship between the number of stations that a company owns and the revenues generated by radio?

b. Find the linear regression line for the data.

c. Use the regression line to predict the radio revenues for Chancellor and
Westinghouse/Infinity. Which prediction is better?

d. Leave out the data point for Westinghouse/Infinity and recalculate the regression line. Do you think that this line will do a better job of predicting radio revenues?
Why or why not?

Attachments
Purchase this Solution
Solution Summary

The expert creates a scatter plot of data. The relationship between the number of stations that a company owns and the revenues generated by the radio is determined.

Solution Preview

a) created scatter plot on excel. Looking at the data there doesnt seem to be a relation. The ...

Solution provided by:
Gaurav Agarwal, MS
Education
  • BE, Bangalore University, India
  • MS, University of Wisconsin-Madison
Recent Feedback
  • "Your explanation to the answers were very helpful."
  • "What does 1 and 0 means in the repair column?"
  • "Went through all of the formulas, excellent work! This really helped me!"
  • "try others as well please"
  • "Thank you, this helped a lot. I was not sure how to plug in those numbers to a formula. This was a great help. Now I have to figure out how to explain cost of capital is used in net present value analysis, and how cost of capital is used in net present value analysis. This stuff gets confusing."
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.

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

Tests knowledge of the three main measures of central tendency, including some simple calculation questions.

View More Free Quizzes
Related BrainMass Solutions

  • Regression

    10641 Regression A). Create a scatter plot (using excel) of the data. b). Find the equation of the linear regression line. c). Plot the regression line on the same plot as the data. d). How well do you think the line fits the data? e).

  • scatter plot & least squrares regression line

    Find the least-squares regression line for the data. Interpret the value of the slope. c. Does the intercept make sense for these data? Why or why not? d. Plot the regression line on the same plot with the data.

  • Scatter diagram

    The following scatter plot shows the miles per gallon for SUVs based on the horsepower of the engines. a). Draw the least squares regression line (a straight line) on the scatter plot using the eyeball approach.

  • Regression analysis

    These data are plotted in the scatter plot shown next to the table. In the scatter plot, sketch an approximation of the least-squares regression line for the data. Please see the see the attachments.

  • Regression Analysis

    Create a scatter plot of the data using excel. b). Find the regression equation relating retail sales and number of shopping centers. c). Plot the regression line (using excel) on the same plot as the data.

  • Statistics - Scatterplot - Regression line

    Compute the least-squares regression line of y on x, and plot this line on your graph. c). Now compute the residuals and make a plot of the residuals against x. It is much easier to see deviations from linearity in the residual plot.

  • Suitable Model Fit

    Graph: Scatter plot, regression Line, equation of the regression line and the correlation coefficient or the coefficient of determination. c. Parameter Estimates 4. Draw Conclusion and give one line explanation. See attached file.

  • Regression and Correlation

    b) Find the least-squares regression line for the data. Interpret the value of the slope. c) Does the intercept make sense for these data? Why or why not? d) Plot the regression line on the same plot with the data?

  • Regression model husband's education & wife's education

    Using the Graphs menu, make a scatter plot of husband's education against wife's education (variables husbeduc and wifeduc). Edit the chart to draw the regression line and print R². Graph (scatter plot with regression line).

View More Related Solutions