Set 62 — Cumulative Frequency — Ogive
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Cumulative Frequency — Ogive
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WAEC 2019
Ages: 10-14 (f=4), 15-19 (f=9), 20-24 (f=14), 25-29 (f=8), 30-34 (f=5). Find cumulative frequency at end of 20-24 class.
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