Mathematics · Statistics
Which of the following statements are correct? (a) Quartile deviation is a measure of variability taken about median. (b) Coefficient of variation is the percentage variation of the group adjusted with median. (c) In positive skewness, the test is too easy for the subjects. (d) Degree of freedom can be defined as the number of independent variables which constitutes a statistic. Choose the correct option from the given codes:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1(b) and (c)
- 2(b) and (d)
- 3(a) and (c)
- 4(a) and (d)✓
Correct answer
(a) and (d)
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