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Question
Calculate the range of the following data.
| Income | 400 − 450 | 450 − 500 | 500 − 550 | 550 − 600 | 600 − 650 |
| Number of workers | 8 | 12 | 30 | 21 | 6 |
Sum
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Solution
Smallest value (S) = 400
Largest value (L) = 650
Range = L – S
= 650 – 400
= 250
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