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18. Calculate the variance and standard deviation for the monthly income of 50 employees in a firm. Explain the meaning of the value of standard deviation obtained. Number of emplovees Monthly income (RM) 500<700 700 -<900 900<1100 1100<1300 1300<1500 15 1S

18. Calculate the variance and standard deviation for the monthly income of 50 employees in a firm. Explain the meaning of the value of standard deviation obtained. Number of emplovees Monthly income (RM) 500<700 700 -<900 900<1100 1100<1300 1300<1500 15 1S

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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please help me to solve the question using the equation given.

there are variance & standard deviation equation

18. Calculate the variance and standard deviation for the monthly income of 50 employees in a firm. Explain the meaning of the value of standard deviation obtained. Number of emplovees Monthly income (RM) 500<700 700<900 900<1100 9. 15 1100<1300 1300 1500 1S
Transcribed Image Text:18. Calculate the variance and standard deviation for the monthly income of 50 employees in a firm. Explain the meaning of the value of standard deviation obtained. Number of emplovees Monthly income (RM) 500<700 700<900 900<1100 9. 15 1100<1300 1300 1500 1S
Grouped data where: a= population var iance X - ohservation or value = total number of ohservation in the population Σ = sum of all values H= population mean POPULATION STANDARD DEVIATION Ungrouped data w here: a- population s tan dard deviation X = observation or value N = total number of observation in the population S- sum of al values Hpopulation mean Grouped data 00 w here a- population stan dard deviation X - observation or value N total number of observation in the population 1-sum of all vakues H population mean 22L LO'LL'LZ02
Transcribed Image Text:Grouped data where: a= population var iance X - ohservation or value = total number of ohservation in the population Σ = sum of all values H= population mean POPULATION STANDARD DEVIATION Ungrouped data w here: a- population s tan dard deviation X = observation or value N = total number of observation in the population S- sum of al values Hpopulation mean Grouped data 00 w here a- population stan dard deviation X - observation or value N total number of observation in the population 1-sum of all vakues H population mean 22L LO'LL'LZ02
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