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Variance, standard deviation, range and their applications - Jamb Economics Past Questions and Answers

Jamb Economics Past Questions

Jamb Past Questions and Answers on Variance, standard deviation, range and their applications

Question 11:

JAMB 2013

If the standard deviation of a given data is 53, what is the variance?

A. 2082
B. 2809
C. 2808
D. 2209

View Answer & Explanation

Question 12:

JAMB 2013

An advantage of the range as a measure of dispersion is that it

A. Can be used to calculate open-ended distribution
B. Make use of all values of observations in a distribution
C. Takes all values into consideration
D. Is useful for further statistical calculation

View Answer & Explanation

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