JAMB - Mathematics (2024 - No. 34)
Find the variance of a group of data whose standard deviation is 12.34 to the nearest whole number.
150
151
152
153
Forklaring
To find the variance from the standard deviation:
Given:
Standard deviation = 12.34
Variance = (12.34)\(^2\) = 152.2756
Rounding to the nearest whole number: Variance ≈ 152.