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MATHEMATICS

JAMB 2024 - Question 34

Mathematics 2024 JAMB Past Questions - Question 34: Find the variance of a group of data whose standard deviation is 12.34 to the nearest whole number.

Find the variance of a group of data whose standard deviation is 12.34 to the nearest whole number.

A: 150

B: 151

C: 152

D: 153

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Correct Answer

Explanation

To find the variance from the standard deviation:Given:Standard deviation = 12.34Variance = (12.34) ² = 152.2756Rounding to the nearest whole number: Variance ≈ 152.?