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JAMB Economics 2013 Paper
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© africaexams.com
Question : 4
Total: 49
If the standard deviation of a given data is 53, what is the variance?
2082
2809
2808
2209
Validate
Solution:
The root of the standard deviation is the variance. Therefore we have;
53
2
= 53 x 53 = 2809
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