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Exhibit 2-5

Question 56

Multiple Choice

Exhibit 2-5.The following data represent scores on a pop quiz in a statistics section: Exhibit 2-5.The following data represent scores on a pop quiz in a statistics section: Refer to Exhibit 2-5.Suppose the data is grouped into 5 classes,and one of them will be 30 up to 44 -that is,{x;30 ≤ x < 44}.The frequency of this class is ____. A) 0.20 B) 0.25 C) 4 D) 5 Refer to Exhibit 2-5.Suppose the data is grouped into 5 classes,and one of them will be "30 up to 44"-that is,{x;30 ≤ x < 44}.The frequency of this class is ____.


A) 0.20
B) 0.25
C) 4
D) 5

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