A) The range of the data 7, 1, 3, 8, 9, 13, 18, 19, 4, 3 is 17.
B) In the class interval 12-17, 17-22, 22-27, the number 22 is not included in 17-22.
C) Class size is the difference between the upper and lower class limits.
D) All the above
E) None of these
Correct Answer: D
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