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The table below shows the amount of pocket money received by a sample of 10-year-old children. Pocket money ($) Frequency 10-19 5 20-29 7 30-39
The table below shows the amount of pocket money received by a sample of 10-year-old children.
| Pocket money ($) | Frequency |
| 10-19 | 5 |
| 20-29 | 7 |
| 30-39 | 18 |
| 40-49 | 26 |
| 50-59 | 14 |
| 60-69 | 10 |
| 70-79 | 10 |
| 80-89 | 6 |
| 90-99 | 4 |
- Complete the following table
| Pocket money ($) | Frequency | midpoint | fx |
| 10-19 | 5 | ||
| 20-29 | 7 | ||
| 30-39 | 18 | ||
| 40-49 | 26 | ||
| 50-59 | 14 | ||
| 60-69 | 10 | ||
| 70-79 | 10 | ||
| 80-89 | 6 | ||
| 90-99 | 4 | ||
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Mathematical Interest TheoryAuthors: Leslie Jane, James Daniel, Federer Vaaler 3rd Edition 147046568X, 978-1470465681 |
