TV ads run and the revenue of the XYZ company
The 2021 monthly data below shows the number of TV ads run and the revenue of the XYZ company.
| Month | TV Ads | Revenue (₱M) |
| January | 21 | 8.35 |
| February | 180 | 22.76 |
| March | 50 | 13.45 |
| April | 195 | 21. 10 |
| May | 96 | 15.00 |
| June | 44 | 12.50 |
| July | 171 | 20.70 |
| August | 135 | 19.72 |
| September | 120 | 16.12 |
| October | 75 | 13.10 |
| November | 106 | 15.67 |
| December | 198 | 25.30 |
- Write the regression equation.
- Interpret the slope and the y-intercept.
- Determine and interpret the coefficient of determination.
- Determine and interpret the coefficient of correlation.
- Test the significance of the null hypothesis at 0.05 level of significance.
- Forecast revenue at 100 TV ads run.
Complete Answer:
