If all the values of a series are multiplied by 5 what happens to the S.D
A) Decreasing by 5
B) Increasing by 5
C) Multiplied by 5
D) None of these
Correct Answer:
Verified
Q5: Two types of ogives meet at _
A)Mode
B)Mean
C)Median
D)None
Q6: The mode of a frequency distribution can
Q7: Calculate median 35,23,45,50,80,61,92,40,52,61
A)23
B)50
C)80
D)51
Q8: Find the range and the coefficient of
Q9: Variance= _
A)S.D
B)X
C)C.V
D)S.D2
Q11: For a frequency distribution M.D from mean
Q12: The mean duration of the series :
Q13: Find the sum of the duration of
Q14: The varience of 15 observations is 4,
Q15: Find the value of third quartile if
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