Question

From the data presented below, calculate Interquartile Range, Quartile Deviation and Coefficient of Quartile deviation.
Classes
5 - 10
10 - 15
15 - 20
20 - 25
25 - 30
30 - 35
35 – 40
40 - 45
Frequency
178
135
186
257
192
243
176
154

Answer 1

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