Measures of Dispersion - Jamb Mathematics Past Questions with Answers

Jamb Mathematics Past Questions

Questions and Answers on Measures of Dispersion

Fractions
Percentages Errors
Indices
Simple Interest
Profit And Loss Percent
Range
Mean Deviation
Variance
Standard Deviation

Question 26:

JAMB 2000

The variance of x, 2x, 3x, 4x and 5x is

A. X√2
B. 2x²
C. X²
D. 3x

View Answer & Explanation

Question 27:

JAMB 2001

Find the variance of 2, 6, 8, 6, 2 and 6

A. 6
B. 5
C. √6
D. √5

View Answer & Explanation

Question 28:

JAMB 2001

Find the range of 1/6, 1/3, 3/2, 2/3, 8/9 and 4/3

A. 3/4
B. 5/6
C. 7/6
D. 4/3

View Answer & Explanation

Question 29:

JAMB 2002

The range of the data: k+2, k-3, k+4, k-2, k, k-5, k+3, k-1, and k+6 is

A. 10
B. 11
C. 6
D. 8

View Answer & Explanation

Question 30:

JAMB 2002

Calculate the mean deviation of the set of numbers 7, 3, 14, 9, 7, and 8.

A. 13/6
B. 5/2
C. 7/6
D. 7/3

View Answer & Explanation

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Measures of Dispersion - Jamb Mathematics Past Questions and Answers

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Questions and Answers on Measures of Dispersion

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