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
- A. 16
- B. 21
- C. 23
- D. 24
Question 12
Value | 0 | 1 | 2 | 3 | 4 |
---|---|---|---|---|---|
Frequency | 1 | 2 | 2 | 1 | 9 |
- A. 1
- B. 2
- C. 3
- D. 4
Question 13
find the mean deviation of 1, 2, 3 and 4
- A. 2.5
- B. 2.0
- C. 1.0
- D. 1.5
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?
- A. 4
- B. 3
- C. 1
- D. 2
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
- 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.