Consider the following statements 1 Quartile deviations is more instructive range...

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Consider the following statements:
1. Quartile deviations is more instructive range as it discards the dispersion of extreme items
2. Coefficient of quartile deviaton cannot be used to compare the degree of variations in different distributions
3. There are 10 deciles for a series
Which one of the above statements is/are correct?

A. 1, 2 and 3

B. 2 alone

C. 3 alone

D. 1 alone

Answer: Option C

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