Question
If the standard deviation of a population is 4.5, what
would be the population variance?Solution
Given standard deviation σ = 4.5 We know that variance is the square of the standard deviation .. Variance = (standard deviation)² = (σ)² = 4.52 = 20.25
More Previous Year Paper Questions
- What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exactvalue.)
35.05% of 14.87 × (13.02 – ?) + 30.19 = 188.7
- What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)
15.35 x (58.25 + 63.98) = ? + 1029.78
(752.09 - 43.04 x 7.94) ÷  16.9 = ?
14.12 × 21.98 + 25.22% of 195.99 = ? × 50.9
1649.98 ÷ 15.48 × 8.12 = ? × 8.16
- What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)
23.98% of 624.99 = 19.98% of ? + 14.98% of 639.99
- What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)
Relevant for Exams:
