Teaching UP B.Ed (Paper 1 & 2) Mock Test 2025 Mathematics Statistics Variance and Standard Deviation
The mean of 5 observations is 4.4 and their variance is 8.24. If three observations are 1, 2 and 6. Then the other two observations are
1
4 and 8
2
4 and 9
3
5 and 7
4
5 and 9