📊 Read the table

The answers, and why

1. Ramp height and toy cars, made-up numbers: at "1 book high" the three tries were 3, 6 and 9 cm. What is the mean? 6 cm. Add them (18) and divide by 3: 6. The mean is the middle-of-the-road number.

2. Straw rocket nose shapes, made-up numbers: at "Short pointed cone" the three tries were 10, 12 and 14 cm. What is the mean? 12 cm. Add them (36) and divide by 3: 12. The mean is the middle-of-the-road number.

3. Egg drop padding, made-up numbers: at "Bubble wrap" the three tries were 24, 27 and 30 drops. What is the mean? 27 drops. Add them (81) and divide by 3: 27. The mean is the middle-of-the-road number.

4. Stopping apples going brown, made-up numbers: at "Lemon juice" the three tries were 19, 21 and 23 brown score, 0 to 5. What is the mean? 21 brown score, 0 to 5. Add them (63) and divide by 3: 21. The mean is the middle-of-the-road number.

5. Bread and toaster browning, made-up numbers: at "Whole wheat" the three tries were 26, 28 and 30 brown score, 0 to 5. What is the mean? 28 brown score, 0 to 5. Add them (84) and divide by 3: 28. The mean is the middle-of-the-road number.

6. Seed depth and sprouting, made-up numbers: at "6 cm deep" the three tries were 17, 20 and 23 days. What is the mean? 20 days. Add them (60) and divide by 3: 20. The mean is the middle-of-the-road number.

7. Ball kinds and bounce, made-up numbers: at "Foam ball" the three tries were 30, 32 and 34 cm. What is the mean? 32 cm. Add them (96) and divide by 3: 32. The mean is the middle-of-the-road number.

8. Spinning top disc size, made-up numbers: at "Medium (a cup bottom)" the three tries were 13, 16 and 19 seconds. What is the mean? 16 seconds. Add them (48) and divide by 3: 16. The mean is the middle-of-the-road number.