fc 1 11 11 16 32 3 23 69 Total 50 112

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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13

Q13. A department in a small firm has 50 members. The distribution of
the number of coffee breaks of the members on a particular day, c is shown
in the table below. The f column shows the frequency of c.
f
fc
1
11
11
2
16
32
3
23
69
Total
50
112
Which of the following statements are incorrect?
I.
The average number of coffee breaks per day = 2.
The total number of breaks = 112.
II.
III.
The median number of coffee breaks = 2.
IV.
The mode of the number of coffee breaks = 3.
A. I. only
В. I. and II.
C. II. and III. D. There are no incorrect statements.
Transcribed Image Text:Q13. A department in a small firm has 50 members. The distribution of the number of coffee breaks of the members on a particular day, c is shown in the table below. The f column shows the frequency of c. f fc 1 11 11 2 16 32 3 23 69 Total 50 112 Which of the following statements are incorrect? I. The average number of coffee breaks per day = 2. The total number of breaks = 112. II. III. The median number of coffee breaks = 2. IV. The mode of the number of coffee breaks = 3. A. I. only В. I. and II. C. II. and III. D. There are no incorrect statements.
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