1
BITSAT 2020
MCQ (Single Correct Answer)
+3
-1

The mean of five observation is 5 and their variance is 9.20. If three of the given five observation are 1, 3 and 8, then a ratio of other two observations is

A
4 : 9
B
6 : 7
C
5 : 8
D
10 : 3
BITSAT Subjects
EXAM MAP