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Elementary Statistics: Picturing the World | 6th Edition | ISBN: 9780321911216 | Authors: Ron Larson; Betsy Farber
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Solved: Graphical Analysis In Exercise, use the ogive to

Chapter 2, Problem 22E

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QUESTION:

Graphical Analysis In Exercises 21 and 22, use the ogive to approximate

(a) the number in the sample.

(b) the location of the greatest increase in frequency.

Adult Females, Ages 20–29

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QUESTION:

Graphical Analysis In Exercises 21 and 22, use the ogive to approximate

(a) the number in the sample.

(b) the location of the greatest increase in frequency.

Adult Females, Ages 20–29

ANSWER:

Step 1 of 2

(a) A cumulative frequency graph, or ogive, is a line graph that displays the cumulative frequency of each class at its upper class boundary. The upper boundaries are marked on the horizontal axis, and the cumulative frequencies are marked on the vertical axis.

The graph starts at 58, where the cumulative frequency is 0, and the graph ends at 74, where the cumulative frequency is 50.

Therefore the number in the sample is 50.

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