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ch 2 sec 3

# ch 2 sec 3 - Plot Arrange the data in order Separate the...

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Organizing Data Chapter 2 Section 3 1 October 4, 2010 Mr. Kenneth Horwitz

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Bar Graphs 2
Facts about Bar Graphs Bar graphs can be vertical or horizontal.  With  spaces between the bars. The length or height of the bars represent the  frequencies.   The data shown in a bar graph can be either  qualitative or quantitative. 3

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Pareto Charts 4
About Pareto Charts It is a histogram where the bars go in descending  order. 5

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Time Series Graphs 6
Pie Graphs 7

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Stem and Leaf Plots stem and leaf plots  is a data plot that uses part  of a data value as the stem and part of the data  value as the leaf to form groups or classes. It has the advantage over grouped frequency  distribution of retaining the actual data while  showing them in graphic form. 8
Steps to Make a Stem and Leaf

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Unformatted text preview: Plot Arrange the data in order. Separate the data according to the classes The leading digit is the stem and the trailing digit is the leaf. For example for 32, 3 is the stem and 2 is the leaf. When the data value is in the hundreds (365) then 36 is the stem and 5 is the leaf. 9 At an outpatient testing center, the number of cardiograms performed each day for 20 days is shown. Construct a stem and leaf plot for the data. 10 25 31 20 32 13 14 43 2 57 23 36 32 33 32 44 32 52 44 51 45 11 25 31 20 32 13 14 43 2 57 23 36 32 33 32 44 32 52 44 51 45 2 1 3 4 2 3 5 3 1 2 2 2 2 3 6 4 3 4 4 5 5 1 2 7 Unordered Stem Plot Stem and Leaf Plot 0 2 1 3 4 2 5 0 3 3 1 2 6 2 3 2 2 4 3 4 4 5 5 7 2 1...
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ch 2 sec 3 - Plot Arrange the data in order Separate the...

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