The marks of 80 students in a Mathematics test are shown in the table below. Find the quartile deviation of the marks. (Give your answer to the...

      

The marks of 80 students in a Mathematics test are shown in the table below.
fig4020920191106.png
Find the quartile deviation of the marks.
(Give your answer to the nearest whole number)

  

Answers


Kavungya
fig4120920191107.png
Kavungya answered the question on September 20, 2019 at 08:08


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