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stion 21 Class Interval Real Limits Cumulative f Cumulative % 93-99 94.5-99 5 100.00 90 - 94 89.5 - 94.5 94.29 85 - 89 84.3 -
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Answer #1

Answer is option 1

1. 74.81

cumm fP = 40%*70 = 28

P40 = 79.5 +((5/16)*(28-43)) = 74.81

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