Question: A company records reported below indicate monthly sales data for Kadriye aba company: Month Sales (units) May 5 June 7 July 8 August 9 September
- A company records reported below indicate monthly sales data for Kadriye aba company:
| Month | Sales (units) |
| May | 5 |
| June | 7 |
| July | 8 |
| August | 9 |
| September | 8 |
| October | 10 |
| November | 11 |
| December | 12 |
| January | 13 |
| February | 13 |
- Use linear trend model to forecast next 5 months. Briefly explain. (Points 15)
- Determine the correlation coefficient, coefficient determination and standard deviation. Briefly explain. (Points 20)
- Plot the actual and forecasted values on a line graph. Briefly explain. (Points 15)
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