Sheet 3 a. With the aid of two tables for the two data sets, determine the following: Mean Variance Standard deviation i. ii. iii.
Sheet 3 a. With the aid of two tables for the two data sets, determine the following: Mean Variance Standard deviation i. ii. iii.
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Transcribed Image Text:Table 1: Persons with secondary education
Classes ✓ Class Boundarie
Less than 50
Less than 54
Less than 58
Less than 62
Less than 66
Less than 70
ΝΑ
50-54
54-58
58-62
62-66
66-70
Classes
Less than 8
Less than 11
Less than 14
Less than 17
Less than 20
Less than 23
Table 2: Persons with tertiary education-
Frequency
Class Boundarie
ΝΑ
8-11
11-14
14-17
17-20
20-23
1
1
4
5
3
Frequency
2
3
3
4
3
Cumulative Frequenc
1
2
6
11
14
Cumulative Frequenc
2
5
8
12
15
Cumulative Relative Frequenc
0.0667
0.1333
0.4
0.7333
0.9333
Cumulative Relative Frequenc
0.1333
0.3333
0.5333
0.8
1
Cumulative percentage
6.70%
13.30%
40.00%
73.30%
93.30%
Cumulative percentage
13.30%
33.30%
53.30%
80.00%
100.00%

Transcribed Image Text:Sheet 3
a. With the aid of two tables for the two data sets, determine the following:
i.
Mean
ii.
iii.
Variance
Standard deviation
b. Using the values of the mean and standard deviation for persons with tertiary education, obtained in
part 'a' sheet 3. Using Chebyshev' theorem, find at least what percentage of people in this group fell
between +5 and -5 of the mean.
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Transcribed Image Text:b. Using the values of the mean and standard deviation for persons with tertiary education, obtained in
part 'a' sheet 3. Using Chebyshev' theorem, find at least what percentage of people in this group fell
between +5 and -5 of the mean.
Solution
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