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The table below gives the marks obtained in a mathematics test by 47 students. (a) State the modal class (b) Draw a cumulative frequency curve to...

The table below gives the marks obtained in a mathematics test by 47 students.

(a) State the modal class
(b) Draw a cumulative frequency curve to represent the above data.
(c) Use your graph to estimate
(i) Median
(ii) Lower quartile
(iii) Upper quartile
(d) Calculate the quartile deviation

Answers

(a) 51-55

Kavungya answered the question on November 12, 2019 at 13:31

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