The table shows the distribution of marks obtained by some students in a test Marks 0-9 10-19 20-29 30-39 40-49 Frequency 4 12 16 6 2 What is the upper clas...

Question 1 Report

The table shows the distribution of marks obtained by some students in a test

Marks 0-9 10-19 20-29 30-39 40-49
Frequency 4 12 16 6 2

What is the upper class boundary of the upper quartile class?