Q. 10 E5.0( 1 Vote )
Select a proper option (a), (b), (c) or (d) from given options and write in the box given on the right so that the statement becomes correct:
If M = 15, 
= 10, then Z=
A. 15
B. 20
C. 25
D. 30
Answer :
Given that,
M = 15
So, by empirical relationship we have,
Mode = 3 (Median) – 2 (Mean)
⇒ 
Putting given values in the above equation, we get
Z = 3(15) – 2×10
⇒ Z = 45 – 20
⇒ Z = 25
Thus, option (c) is correct.
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