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Find the coeefficient of range of the following distribution Xi 10, 20, 30, 40, 50Fi 7, 5, 3, 2, 1 |
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Answer»
= Mid value of HIGHEST class = 45 x o
= Mid value of LOWEST class = 5 Therefore, Range = x m
−x o
=45−5=40 Coefficient of range = x m
+x o
x m
−x o
= 45+5 45−5
= 50 40
= 5 4
=0.8 |
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