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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.

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.

A First Course in Probability (10th Edition)
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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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.
Table 1: Persons with secondary education Classes Less than 50 Less than 54 Less than 58 Less than 62 Less than 66 Less than 70 Less than 74 Class Boundarie ΝΑ 50-54 54-58 58-62 62-66 Classes Less than 8 Less than 11 Less than 14 Less than 17 Less than 20 Less than 23 66-70 70-74 Table 2: Persons with tertiary education- Frequency Class Boundarie ΝΑ 08-Nov Nov-14 14-17 17-20 20-23 1 1 4 5 3 1 Frequency 2 3 3 4 3 Cumulative Frequenc→ Cumulative Relative Frequenc→ Cumulative percentage 1 2 6 11 14 15 Cumulative Frequenc 2 5 8 12 15 0.0667 0.1333 0.4 0.7333 0.9333 1 Cumulative Relative Frequenc 0.1333 0.3333 0.5333 0.8 1 6.70% 13.30% 40.00% 73.30% 93.30% 100.00% Cumulative percentage 13.30% 33.30% 53.30% 80.00% 100.00%
Transcribed Image Text:Table 1: Persons with secondary education Classes Less than 50 Less than 54 Less than 58 Less than 62 Less than 66 Less than 70 Less than 74 Class Boundarie ΝΑ 50-54 54-58 58-62 62-66 Classes Less than 8 Less than 11 Less than 14 Less than 17 Less than 20 Less than 23 66-70 70-74 Table 2: Persons with tertiary education- Frequency Class Boundarie ΝΑ 08-Nov Nov-14 14-17 17-20 20-23 1 1 4 5 3 1 Frequency 2 3 3 4 3 Cumulative Frequenc→ Cumulative Relative Frequenc→ Cumulative percentage 1 2 6 11 14 15 Cumulative Frequenc 2 5 8 12 15 0.0667 0.1333 0.4 0.7333 0.9333 1 Cumulative Relative Frequenc 0.1333 0.3333 0.5333 0.8 1 6.70% 13.30% 40.00% 73.30% 93.30% 100.00% Cumulative percentage 13.30% 33.30% 53.30% 80.00% 100.00%
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