6-
Q
:
7) निम्न आंकड़ो से चतुर्थक विचलन एवं इसके गुणांक की गणना कीजिए :
Calculate quartile deviation and its coefficient from the following data :
आकार (से अधिक) [Size (more than)]
70 60 50
40 30
7 18 40 40
आवृत्ति (Frequency)
63
[उत्तर : Q.D. = 12.845, गुणांक
20
68
0.27]
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