Please show work According to the World Health Organization (WHO). Body Mass Ind

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Please show work

According to the World Health Organization (WHO). Body Mass Index (BMI) is a statistic that indicates the ratio of a person's weight to their body volume. The Centers (or Disease Control (CDC) uses the table below to classify children from ages 2 to 20. Because BMI values change as children grow, the CDC uses percentiles rather than fixed values for BMI. Percentiles provide a basis of companion far BMI over time. Based on data from WHO. a representative sample of 15-year old males could consist of the following 15 values. 18.1, 18.6, 15.9, 17.6, 21.9, 16.9, 20.8, 19.4, 21.3, 22.7, 19.0, 20.3, 19.8, 30.8, 24.3 Using this data, calculate the 85th percentile. Give your answer precise lo one decimal place. 85th percentile =

Explanation / Answer

We need to first order all data from smallest to largest

so we ahve

15.9,16.9,17.6,18.1,19,18.6,19.4,19.8,20.3,20.8,21.3,21.9,22.7,24.3,30.8

= we have 15 nos,

so 15*0.87 = 13.05

or 13th number which is 22.7

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