Given are data for two variables, x and y.6.11151820Yi132030(a) Develop an estimated regression equation for these data. (Round your numerical values to two decimal places.)ŷ = -8.56 + 1.68x(b) Compute the residuals. (Round your answers to two decimal places.)Residuals53.489.921115133.6418201.6820304.96(c) Develop a plot of the residuals against the independent variable x.6.6.4.42.-2.-2--4-4-6--6101520255101520256-6.44-22--2-2--4-4-–6-10152025-6+510152025Do the assumptions about the error terms seem to be satisfied?O The plot suggests a funnel pattern in the residuals indicating that the error term assumptions are not satisfied.O The plot suggests curvature in the residuals indicating that the error term assumptions are satisfied.ResidualsResidualsResidualsResiduals

For the given data set Find Residuals Do the assumptions about the error terms seem to be satisfied?

Answered: 6 11 15 18 20 Y 5 13 20 30 (a) Develop…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Use the data in the table below to complete parts (a) through (d). 39 33 40 47 42 50 59 56 51 24 22 27 32 30 31 31 27 29 Click the icon to view details on how to construct and interpret residual plots. (a) Find the equation of the regression line. (Round to three decimal places as needed.) (b) Construct a scatter plot of the data and draw the regression line. Plot the x-values on the horizontal axis and the y-values on the vertical axis. Choose the correct graph below. OA. В. Oc. OD. 34 70, (c) Construct a residual plot. Plot the x-values on the horizontal axis and the residuals on the vertical axis. Choose the correct graph below. O A. Ов. Oc. OD. (d) Determine if there are any patterns in the residual plot and explain what they suggest about the relationship between the variables. The residual plot a pattern because the residuals about 0. This implies the regression line a good representation of the relationship between the variables.
Construct and interpret a 95% prediction interval for the proceeds when the number of issues is 658.
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The average top ticket price for Broadway musicals has increased dramatically between 1975 and 2003. 1985 1998 2000 2003 72.83 118.97 130.15 44.99 Year Average Ticket Price 1975 13.63 a. Using the data in the table, find the linear regression equation that best fits the data. (Let x = 0 represent the number of years since 1970.) y = (Round values to three decimal places.) b. Predict the average top ticket price for Broadway musicals in the year 2012 if the price continues to increase at the same rate. (Let x represent the number of years since 1970.) (Round to two decimal places.) c. Find the rate at which the price is rising. per year (Round to two decimal places.)

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