Answered: Is the price of a smartphone affected…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

See similar textbooks

Related questions

Question

Is the price of a smartphone affected by its display size, camera resolution, or internal storage capacity? Perform a regression analysis on the SmartphoneDCS dataset and answer the following questions. The level of significance is .05. Solve this problem using MegaStat, and write your complete answers in the Response Box so I know that you can interpret the output. Attach your MegaStat file so I can see that you used the correct analysis method to solve this problem. Download: SmartphoneDCS a. Do the data conform to Evans' Rule? What about Doane's Rule? Show the calculations to explain the reason for your answers. b. State the decision rule for this analysis, and be sure to include the critical value(s). c. Perform the regression and write the complete regression equation. d. Is the overall fit of the model significant or not? Use the output from the ANOVA table and your answer to part (b) to explain your decision. e. What are the values for the coefficient of determination and the adjusted coefficient of determination for your analysis? What do these two coefficient values tell you about the variation of price in your model?

Expert Solution