A software developer would like to use the number of downloads (in thousands) to predict the amount
Question:
A software developer would like to use the number of downloads (in thousands) to predict the amount of revenue (in hundreds of dollars) that they can earn from the full version of the new shareware. Answer the following questions based on the regression analysis below.
| regression statistics | ||||||
| Multiple R | 0.8691 | |||||
| R Plaza | 0.7554 | |||||
| adjusted r squared | 0.7467 | |||||
| Standard error | 44.4765 | |||||
| Observations | 30 | |||||
| ANOVA | ||||||
| d.f. | SS | EM | F | Meaning F | ||
| Regression | 1 | 171062.9193 | 171062.9193 | 86.4759 | 0 | |
| Residual | 28 | 55388.4309 | 1978.1582 | |||
| Total | 29 | 226451.3503 | ||||
| Coefficients | Standard error | T-statistics | P value | Inferior 95% | 95% superior | |
| Intercept | -95.0614 | 26.9183 | -3.5315 | 0.0015 | -150.2009 | -39.9218 |
| Descargar | 3.7297 | 0.4011 | 9.2992 | 0 | 2.9082 | 4.5513 |
1) State the regression equation.
2) What is the correct interpretation of the slope coefficient?
3) Predict revenue when the number of downloads is 30,000.
4) What is the correct interpretation of the coefficient of determination R squared?
5) The 95% confidence interval estimate for the population slope is ______ , ______.
6) Is there sufficient evidence that revenue and the number of downloads are linearly related at the 5% significance level? Give a reason why.
Expert Answer:
1 The regression equation is given by Revenue Intercept SlopeDownloads Using the provided coefficien... View the full answer
Financial Accounting and Reporting a Global Perspective
ISBN: 978-1408076866
4th edition
Authors: Michel Lebas, Herve Stolowy, Yuan Ding
