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

Question

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

Quizplus · Accepted Answer

The Answer of 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