The grouped frequency distribution of the number of pages read by 40 students in a…

MATHEMATICS · Subjective · AP · AP Statistics · Exploring One-Variable Data · Exploring One-Variable Data

Problem

The grouped frequency distribution of the number of pages read by 40 students in a week is given below: Class interval (pages): 20–29 | 30–39 | 40–49 | 50–59 Frequency: 6 | 12 | x | 9 Find the value of xx.

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