3.4.15 E Questionl Expliain the meaning of the accompanying percentiles The Sth

Question

3.4.15 E Questionl Expliain the meaning of the accompanying percentiles The Sth percentle of the head ccuntenence of maises 3 to 5 months of age in a cain city is 41 5 cm bi The 80th percontie of the wwst cireumference of temales 2 years of age in a certain city is 49 8 cm c) Anthropometry nvolves the measurement of the human body One goal of these measurements to ancess how body measurements may be changing over tme. The folowing table repeosents the standing hght of aged 20 years or oider for vanous age groups n a certain city in 201S Based on the pecetie measurements of the ditteont age groups, whet might you conclude? Cick the icon to view the data tabe so part c Standing Hght em) %of3-to5monheid males hae a head cocurlere cet at B 415 cm r less 5%of3.toSmarth ld miles hae a head cucurmterore* t a ti 415 c" orless 5%ofm les have a head circumference that is 41 S cm less 5%of3-toSmartsid mues have a lead crcumiruro that is 41 Sem g more Age Percentile b) Choose the conect answer belw 20-29 0-39 168 115 176.7 814 168 1669 171 3 1760 19 1.06.2 A 80% of 2 year old tomales hve a wist circumterence that is 49 8 m or more B. 2oni ot 2year-old temaes have a wast crturberce tot 498cm less C. 00% of 2-yeur id females hase anant crorderce that s 49 81ss D.00% o, senales hile awaisterarteence that is 49 B em erless 50-50 60-60 70-79 1679 721 176.916 1660 1708 1760 8285 1653 1701 1751 1795 183 62 675 29 1781 L 617 366 1705 175379

Explanation / Answer

Percentiles report the relative standing of a particular value within a statistical data set.A percentile is not a percent; a percentile is a value in the data set that marks a certain percentage of the way through the data. Suppose your exam score was reported to be the 80th percentile. It means that 80% of the students’ scores were lower than yours and 20% of the students’ scores were higher than yours.

a) The 5th percentile of the head circuference of males 3 to 5 months of age in a certain city is 41.5 cm

5% of of 3 to 5-month old males have a head circumference that is 41.5 cm or less.

Option(b)

b) The 80th percentile of the waist circumference of females 2 years of age in a certain city is 49.8 cm

80% of 2-year old females have a waist circumference that is 49.8 cm or less

Option (c)

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