The following marks were obtained by candidates in an examination (no fractions of a mark were awarded): Marks Number of candidates 0-5 2 6-10 8 11-15 20 16-20 30 21-25 50 26-30 80 120 31-35 36-40 150 200 41-45 46-50 220 280 51-55 56-60 320 .61-65 260 66-70 160 71-75 120 76-80 100 60 81-85 86-90 40 91-95 17 96-100 3 Total 2240 2. If the examining body wished to pass only one-third of the candidates, what should the pass mark be? 3. Compute the measures of central tendency and comment on each of them. 4. By computing the appropriate measures comment on the normality of the distribution.
The following marks were obtained by candidates in an examination (no fractions of a mark were awarded): Marks Number of candidates 0-5 2 6-10 8 11-15 20 16-20 30 21-25 50 26-30 80 120 31-35 36-40 150 200 41-45 46-50 220 280 51-55 56-60 320 .61-65 260 66-70 160 71-75 120 76-80 100 60 81-85 86-90 40 91-95 17 96-100 3 Total 2240 2. If the examining body wished to pass only one-third of the candidates, what should the pass mark be? 3. Compute the measures of central tendency and comment on each of them. 4. By computing the appropriate measures comment on the normality of the distribution.
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Transcribed Image Text:QUESTION TWO:
The following marks were obtained by candidates in an examination (no fractions of a mark
were awarded):
Number of
candidates
Marks
0-5
2
6-10
8
11-15
20
16-20
30
21-25
50
26-30
80
31-35
120
36-40
150
41-45
200
46-50
220
51-55
280
56-60
320
.61-65
260
66-70
160
71-75
120
76-80
100
81-85
60
86-90
40
91-95
17
96-100
3
Total
2240
2. If the examining body wished to pass only one-third of the candidates, what should the
pass mark be?
3. Compute the measures of central tendency and comment on each of them.
4. By computing the appropriate measures comment on the normality of the distribution.
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