Using the given data prepare a line chart, and answer the following question.
Does the data reflect any trend during the period?
Answer the question by writing one of these 3 options:
downward,
upward,
horizontal.
| Week |
Sales |
| 1 |
17 |
| 2 |
21 |
| 3 |
19 |
| 4 |
23 |
| 5 |
18 |
| 6 |
16 |
| 7 |
20 |
| 8 |
18 |
| 9 |
22 |
| 10 |
20 |
| 11 |
15 |
| 12 |
22 |