Biology Forums - Study Force

Exhibit 2-3
Michael's Compute-All, a national computer retailer, has kept a record of the number of laptop computers they have sold for a period of 80 days. Their sales records are shown below:
 

Number of Laptops Sold	Number of Days
0 - 19	5
20 - 39	15
40 - 59	30
60 - 79	20
80 - 99	10
Total	80

 

Refer to Exhibit 2-3.  The class width of the above distribution is

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0 to 100

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20

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80

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5

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