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Question
The quarterly profits of a small scale industry (in thousands of rupees)· is as follows:
| Year |
Quarter 1 |
Quarter 2 |
Quarter 3 |
Quarter 4 |
| 2012 | 39 | 47 | 20 | 56 |
| 2013 | 68 | 59 | 66 | 72 |
| 2014 | 88 | 60 | 60 | 67 |
Calculate four quarterly moving averages. Display these and the original figures graphically on the same graph sheet.
Solution
| year | Quarter | Profit |
4 quartly Total |
4 quartly Moving Average |
4 quartly moving Average Counted
|
| 2012 | 1st | 39 | |||
| 2nd | 47 | ||||
| 3rd | 20 | 162 | 40.5 | ||
| 4th | 56 | 191 | 47.75 | 44.125 | |
| 2013 | 1st | 68 | 203 | 50.75 | 49.25 |
| 2nd | 59 | 249 | 66.25 | 56.5 | |
| 3rd | 66 | 265 | 66.25 | 64.25 | |
| 4th | 72 | 285 | 71.25 | 68.75 | |
| 2014 | 1st | 88 | 286 | 71.5 | 71.375 |
| 2nd | 60 | 280 | 70 | 70.75 | |
| 3rd | 60 | 275 | 68.75 | 69.375 | |
| 4th | 67 |
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