the number of workers employed the mean wage per month and the standard deviation in each section of a factory are given below calculate the mean wages and standard deviations of all the workers taken together (BThe number ofwarkens employed, the mean wage per monthandatandarddeviation in each section of a farmily factory .aro guenhelow Calculate the meanthe workers takenand standard' deviation of alltogether.Seetion No. of warkei cmployed Mean wnges lin Ra) Strndand Devciation1113011200118150600700800A.506090C.

Given: Section no of workers Mean standard deviation A 50 11130 600 B 60 11200 700 C 90…

Answered: The number of warkins employed, the…

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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the number of workers employed the mean wage per month and the standard deviation in each section of a factory are given below calculate the mean wages and standard deviations of all the workers taken together

(BThe number ofwarkens employed, the mean wage per monthand
atandarddeviation in each section of a farmily factory .aro guen
helow Calculate the mean
the workers taken
and standard' deviation of all
together.
Seetion No. of warkei cmployed Mean wnges lin Ra) Strndand Devciation
11130
11200
118150
600
700
800
A.
50
60
90
C.

Definition Definition Measure of central tendency that is the average of a given data set. The mean value is evaluated as the quotient of the sum of all observations by the sample size. The mean, in contrast to a median, is affected by extreme values. Very large or very small values can distract the mean from the center of the data. Arithmetic mean: The most common type of mean is the arithmetic mean. It is evaluated using the formula: μ = 1 N ∑ i = 1 N x i Other types of means are the geometric mean, logarithmic mean, and harmonic mean. Geometric mean: The nth root of the product of n observations from a data set is defined as the geometric mean of the set: G = x 1 x 2 ... x n n Logarithmic mean: The difference of the natural logarithms of the two numbers, divided by the difference between the numbers is the logarithmic mean of the two numbers. The logarithmic mean is used particularly in heat transfer and mass transfer. ln x 2 − ln x 1 x 2 − x 1 Harmonic mean: The inverse of the arithmetic mean of the inverses of all the numbers in a data set is the harmonic mean of the data. 1 1 x 1 + 1 x 2 + ...

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