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A Walgreens manager compared the numbers of hours different pharmaceutical technicians worked over one week. The table shows the number of hours worked per technician.

Hours per server: 20, 21, 14, 21, 21, 12, 18, 23, 20, 23, 12

Construct a dot plot to represent the data, and determine which of the following is correct.

A. Q1 is 13

B. Q3 is 21.5

C. The interquartile range is 9

D. The data has no outliers

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Answers (1)
  1. 20 June, 11:00
    0
    It is D because all the numbers range from 12 to 23, with no number being extremely low or high compared this range.
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