Dot plots are similar to bar graphs. Typically used for a small set of values, a dot plot uses a
dot for each unit of measurement; thus, the undergraduate expense data in Table
1 could be represented by a dot plot like that shown in Figure
1 .
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TABLE 1
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Yearly Expenses of a College Undergraduate
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|
Item
|
Amount
|
|
Tuition fees
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$5,000
|
|
Room and board
|
9,000
|
|
Books and lab
|
2,000
|
|
Clothes/cleaning
|
1,000
|
|
Transportation
|
2,000
|
|
Insurance and miscellaneous
|
1,000
|
|
|
|
|
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Figure 1
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Dot plot of the expenditures of a college undergraduate for the past year.
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