The table below shows marks obtained by 50 students in a maths quiz. (a) Starting from 21 and using equal class intervals of 10 make a...

      

The table below shows marks obtained by 50 students in a maths quiz.
fig219112019848.png
(a) Starting from 21 and using equal class intervals of 10 make a frequency distribution table.
(b) On the grid provided, draw the cumulative frequenting curve for the data.
(c) Using the graph in(b) above estimate:
i) The upper quartile.
ii) The lower quartile.
iii) Hence find the quartile deviation.

  

Answers


Kavungya
fig319112019850.png
Kavungya answered the question on November 19, 2019 at 05:50


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