In a symmetrical distribution, Q3 - Q1 = 20, median = 15. Q3 is equal to:
A) 5
B) 15
C) 20
D) 25
Correct Answer:
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Q8: If the arithmetic mean is multiplied to
Q9: If mean absolute deviation of set of
Q10: If the sum of deviations from median
Q11: The degree of peaked ness or flatness
Q12: In a mesokurtic or normal distribution, µ4
Q14: The first three moments of a distribution
Q15: For a symmetrical distribution:
A)β1 > 0
B)β1 <
Q16: The second and fourth moments about mean
Q17: Bowley's coefficient of skewness lies between:
A)0 and
Q18: The value of β2 can be:
A)Less than
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