Sheet 3 a. With the aid of two tables for the two data sets, determine the following: Mean Variance Standard deviation i. ii. iii.

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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: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%
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.
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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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.
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.
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