Statistics And Probability Question 288
If M.D. is 12, the value of S.D. will be 4
Options:
15
12
24
D) None of these
Show Answer
Answer:
Correct Answer: A
Solution:
We know that $ Q\text{.D}\text{.}=\frac{5}{6}\times M\text{.D}\text{.} $ $ =\frac{5}{6}\times 12=10 $ \ $ S\text{.D}\text{.}=\frac{3}{2}\times Q\text{.D}\text{.} $ $ =\frac{3}{2}\times 10 $
Þ $ S\text{.D}\text{.}=15 $ .