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  • Brainly User
2016-02-28T21:04:50+08:00

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P₁₅ = (15/100) (number of observation)

P₁₅ = (5/100) (15)

P₁₅ = 225/100

P₁₅ = 2.25   or 3

Arrange the observation in ascending or increasing order.

The third value in increasing order is 58.  

The 15th percentile is 58.
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