DECISIONS & ERROR HANDLING · ORIGINAL EXERCISE
The opposite spell
Return TRUE when the first order is NOT from South.
This quest practices NOT using a fictional business dataset. Read the sheet below, then enter the interactive quest to write and check your formula.
| Order | Region | Product | Units | Revenue | Cost |
|---|---|---|---|---|---|
| O-101 | North | Keyboard | 12 | 720 | 420 |
| O-102 | South | Mouse | 18 | 450 | 198 |
| O-103 | North | Monitor | 5 | 1250 | 900 |
| O-104 | West | Keyboard | 8 | 480 | 280 |
| O-105 | South | Monitor | 4 | 1000 | 720 |
| O-106 | North | Mouse | 20 | 500 | 220 |
| O-107 | West | Monitor | 6 | 1500 | 1080 |
| O-108 | North | Keyboard | 10 | 600 | 350 |
Hints to get you started
- Start with a test for South.
- NOT reverses TRUE and FALSE.
- Wrap B2="South" inside NOT.
Show the worked solution
=NOT(B2="South")NOT negates a logical test.
Make the skill stick
After solving the task, explain what each reference does and why the formula answers the business question. Try the workbook download inside the quest to practice in your own spreadsheet app.
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