The Following Data Represent Scores on a Pop Quiz in a Statistics

question 118

Multiple Choice

The following data represent scores on a pop quiz in a statistics section: Suppose the data are grouped into five 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