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The Human Resource department of Lala firm has summarized the number of service years of their 120 employees as below. Number of employees 16 Service years 1-4 20 28 5-8 9-12 13-16 24 17-20 16 21-24 11 25-28 a) Calculate the mean and variance for the service years. b) Draw an ogive to represent the data above. Hence, estimate the median value for the above distribution.

The Human Resource department of Lala firm has summarized the number of service years of their 120 employees as below. Number of employees 16 Service years 1-4 20 28 5-8 9-12 13-16 24 17-20 16 21-24 11 25-28 a) Calculate the mean and variance for the service years. b) Draw an ogive to represent the data above. Hence, estimate the median value for the above distribution.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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12) The Human Resource department of Lala firm has summarized the number of service years of their 120 employees as below. Number of Service years employees 16 1-4 5-8 20 9-12 28 13-16 24 17-20 16 21-24 11 25-28 a) Calculate the mean and variance for the service years. b) Draw an ogive to represent the data above. Hence, estimate the median value for the above distribution.
Transcribed Image Text:12) The Human Resource department of Lala firm has summarized the number of service years of their 120 employees as below. Number of Service years employees 16 1-4 5-8 20 9-12 28 13-16 24 17-20 16 21-24 11 25-28 a) Calculate the mean and variance for the service years. b) Draw an ogive to represent the data above. Hence, estimate the median value for the above distribution.
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