NECO 2024 · Paper 1 · Q52

Dispersion & cumulative frequency

Find the range of 4, 9, 6, 3, 2, 8, 10, 7, 11.

Worked solution (try it first)

The largest number is 11 and the smallest is 2.
The range is $11 - 2 = 9$ , option B.

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