What is the 85th percentile? According to the World Health Organization (WHO), Body Mass Index (BMI) is a statistic that indicates the ratio of aperson's weight to their body volume. The Center for Disease Control (CDC) uses the table to classify children from ages 2to 20. Because BMI values change as children grow, the CDC uses percentiles rather than fixed values for BMI. Percentilesprovide a basis of comparison for BMI over time.Weight status Percentile rangeUnderweight Less than the 5th percentileHealthy weight 5th percentile to less than the 85th percentileOverweight85th to less than the 95th percentileObeseEqual to or greater than the 95th percentileBased on data from WHO, a representative sample of 11-year-old females could consist of the following 15 values.15.8, 16.1, 13.7, 15.3, 19.2, 14.7, 18.1, 16.8, 18.6, 19.9, 16.5, 17.7, 17.2, 27.0, 21.485th percentile:prt scdeleteGBshed

Arranging the data in Ascending order: 13.7, 14.7, 15.3, 15.8, 16.1, 16.5, 16.8, 17.2, 17.7, 18.1,…

Based on data from WHO, a representative sample of 11-year-old females could consist of the following 15 values. 15.8, 16.1, 13.7, 15.3, 19.2, 14.7, 18.1, 16.8, 18.6, 19.9, 16.5, 17.7, 17.2, 27.0, 21.4

Based on data from WHO, a representative sample of 11-year-old females could consist of the following 15 values. 15.8, 16.1, 13.7, 15.3, 19.2, 14.7, 18.1, 16.8, 18.6, 19.9, 16.5, 17.7, 17.2, 27.0, 21.4

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Concept explainers

Continuous Probability Distributions

Probability distributions are of two types, which are continuous probability distributions and discrete probability distributions. A continuous probability distribution contains an infinite number of values. For example, if time is infinite: you could count from 0 to a trillion seconds, billion seconds, so on indefinitely. A discrete probability distribution consists of only a countable set of possible values.

Normal Distribution

Suppose we had to design a bathroom weighing scale, how would we decide what should be the range of the weighing machine? Would we take the highest recorded human weight in history and use that as the upper limit for our weighing scale? This may not be a great idea as the sensitivity of the scale would get reduced if the range is too large. At the same time, if we keep the upper limit too low, it may not be usable for a large percentage of the population!

Question

What is the 85th percentile?

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 Center for Disease Control (CDC) uses the table 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 comparison for BMI over time.
Weight status Percentile range
Underweight Less than the 5th percentile
Healthy weight 5th percentile to less than the 85th percentile
Overweight
85th to less than the 95th percentile
Obese
Equal to or greater than the 95th percentile
Based on data from WHO, a representative sample of 11-year-old females could consist of the following 15 values.
15.8, 16.1, 13.7, 15.3, 19.2, 14.7, 18.1, 16.8, 18.6, 19.9, 16.5, 17.7, 17.2, 27.0, 21.4
85th percentile:
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B
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