Measures Of Dispersion Jamb Mathematics Past Questions

Question 11

The range of 4, 3, 11, 9, 6, 15, 19, 23, 27, 24,21 and 16 is

jamb 2003

  • A. 16
  • B. 21
  • C. 23
  • D. 24
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Question 12

Value 0 1 2 3 4
Frequency 1 2 2 1 9
Find the mean of the distribution above

jamb 2003

  • A. 1
  • B. 2
  • C. 3
  • D. 4
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Question 13

find the mean deviation of 1, 2, 3 and 4

jamb 2021

  • A. 2.5
  • B. 2.0
  • C. 1.0
  • D. 1.5
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Question 14

The weight of 10 pupils in a class are 15 kg, 16 kg, 17 kg, 18 kg, 16 kg, 17 kg, 17 kg, 17 kg, 18 kg, and 16 kg. What is the range of this distribution?

jamb 2004

  • A. 4
  • B. 3
  • C. 1
  • D. 2
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Question 15

I. Rectangular bars of equal width

II. The height of each rectangular bar is proportional to the frequency of the corresponding class interval.

III. Rectangular bars have common sides with no gaps in between

A histogram is described completely by

jamb 2004

  • A. I, II and III
  • B. I and II
  • C. II and III
  • D. I and III
  • E. Rectangular bars of equal width: Each bar in the histogram has the same width, which ensures consistency and accuracy in representing the data.
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