The following data were observed in a survey of the heights of 20 children in a sports club. height was measured to the nearest centimeter. Frequency (f) Cumulative frequency (F) Class Class Limits 1 119.5< b< 124.5 1 124.5s b < 129.5 129.5< b< 134.5 6. 7 13 4 134.5s b < 139.5 4 17 139.5< b < 144.5 20 For this sample, calculate (a) the three measures of central location. (b) standard deviation of the heights

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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The following data were observed in a survey of the heights of 20 children in a sports club. Each
height was measured to the nearest centimeter.
Class Class Limits
Frequency (f) Cumulative
frequency (F)
1
119.5< b < 124.5
1
1
124.5< b< 129.5
129.5< b < 134.5
2
3
7
13
4
134.5< b < 139.5
4
17
139.5< b < 144.5
3
20
For this sample, calculate
(a) the three measures of central location.
(b) standard deviation of the heights
(c) the 33rd percentile
(d) the quartile deviation
(e) Use quartiles to determine the skewness and the peakedness of the data.
Transcribed Image Text:The following data were observed in a survey of the heights of 20 children in a sports club. Each height was measured to the nearest centimeter. Class Class Limits Frequency (f) Cumulative frequency (F) 1 119.5< b < 124.5 1 1 124.5< b< 129.5 129.5< b < 134.5 2 3 7 13 4 134.5< b < 139.5 4 17 139.5< b < 144.5 3 20 For this sample, calculate (a) the three measures of central location. (b) standard deviation of the heights (c) the 33rd percentile (d) the quartile deviation (e) Use quartiles to determine the skewness and the peakedness of the data.
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