1.  If the quartile range is 24 then the quartile deviation is 
a.  48 
b.  12 
c.  24 
d.  72 
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Answer: (b).12

2.  If mean absolute deviation of set of observations is 8.5 then value of quartile deviation is 
a.  7.08 
b.  9.08 
c.  10.2 
d.  11.2 
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Answer: (a).7.08

3.  The sum of all the squared deviations is divided by the total number of observations to calculate 
a.  population deviation 
b.  population variance 
c.  sample deviation 
d.  sample variance 
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Answer: (b).population variance

4.  For the recorded observation, the ratios measured by absolute variation are considered as 
a.  nonrelative measures 
b.  relative measures 
c.  high uniform measures 
d.  low uniform measures 
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Answer: (b).relative measures

5.  If the arithmetic mean is multiplied to coefficient of variation then the resulting value is classified as 
a.  coefficient of deviation 
b.  coefficient of mean 
c.  standard deviation 
d.  variance 
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Answer: (c).standard deviation
