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Frequency Tables and Histograms Unit 2 Day 3

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Vocabulary Data - information, often given in the form of numbers or categories. Frequency Table – a table that displays the number of times each item or category occurs in a data set.

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EXAMPLE 1 To find which type of art project was chosen most often, you can make a frequency table. Making a Frequency Table

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EXAMPLE 1 To find which type of art project was chosen most often, you can make a frequency table. Making a Frequency Table

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EXAMPLE 1 To find which type of art project was chosen most often, you can make a frequency table. Making a Frequency Table

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ANSWER EXAMPLE 1 To find which type of art project was chosen most often, you can make a frequency table. Making a Frequency Table The students most often chose a painting project.

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Sarahs math grades for one marking period were: 85, 72, 97, 81, 77, 93, 100, 75, 86, 70, 96, 80 Construct a frequency table for this data.

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Histograms In a histogram, a bar is centered above each score (or class interval) so that the height of the bar corresponds to the frequency so that adjacent bars touch. 8

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Gap! (why?)

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Construct a Histogram for Sarahs math scores

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Histograms A Histogram is a vertical bar graph in which each interval is represented by the width of the bar and the frequency is represented by the height.

Histograms A Histogram is a vertical bar graph in which each interval is represented by the width of the bar and the frequency is represented by the height.

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