Calculation of standard deviation - continuous series, Operation Research

Assignment Help:

Calculation of Standard Deviation - Continuous Series: In the continuous series the methods of calculation standard deviation is almost the same as in a discrete frequency distribution. But in a continuous series, mid values of the class intervals are to be found out. The step deviation methods is widely used. Followings are the steps:

a.Find out  the mid value  of each  group or class.

b.Assume  one  of the mid values as an average and denote it by A.

c. Find out deviation of each  mind  value  from the  assumed average a and  denote  these  deviations by d.

d. If the class intervals are  equal  then take  a common  factor. Divide  each deviation by the  common  factor  and denote this column by

e.Multiply these  deviations d by  the respective  frequencies and get ∑ f d2.

f.Substitute  the values  in the followings  formula to get the  standard deviation.

g.Square  the deviation and get d2.

 


Related Discussions:- Calculation of standard deviation - continuous series

Operation research, A Company produces 150 cars. But the production rate va...

A Company produces 150 cars. But the production rate varies with the distribution. Production Rate Probability 147 0.05 148 0.10 149 0.15 150 0.20 151 0.30 152 0.15 153 0.05 At pre

Small sample - hypothesis testing , Small Sample The central limit ...

Small Sample The central limit  theorem does not work well  with small  samples  even if  the  population  in non Gaussian. So  we cannot  rely on the central limit theorem

Regression Analysis, regression line drawn as Y=C+1075x, when x was 2, and ...

regression line drawn as Y=C+1075x, when x was 2, and y was 239, given that y intercept was 11. calculate the residual

Queuing theory, A certain type of machine breaks down at an average rate of...

A certain type of machine breaks down at an average rate of 5/hour. the break down is in accordance with Poisson process.cost of idle machine hour is $15/hour. 2 repairmen Peter an

Use of the graphs, Use  of the Graphs a . It simplifies  the complexi...

Use  of the Graphs a . It simplifies  the complexities of large numbers  or that of  large mass  of data. In general  graphical  or some  other method or representation  is ad

Non measurable human factors, Operation research makes no allowance for in...

Operation research makes no allowance for intangible factors such as skill attitude vigor of the management people in taking decisions but in many instances success or fail

Simple line graphs , Simple Line Graphs a. Simple  Histogram A simpl...

Simple Line Graphs a. Simple  Histogram A simple histogram  is a techniques  used  plotting  a time  series on the graph paper. The data are arranged according to  the time

Solve by computational procedure of big – m method, Example 2 Max Z = 3...

Example 2 Max Z = 3x 1 - x 2 Subject to             2x 1 + x 2 ≥ 2             x 1 + 3x 2 ≤ 3             x 2 ≤ 4     &     x 1 ≥ 0, x 2  ≥ 0   A

Higher order table, Higher Order  Table   When  three  or more  charac...

Higher Order  Table   When  three  or more  characteristics are represented in the same  table such a table  is called  higher order table. The  need  for such  a table arises

LPP, A paper mill produces two grades of paper viz., X and Y. Because of r...

A paper mill produces two grades of paper viz., X and Y. Because of raw material restrictions, it cannot produce more than 400 tons of grade X paper and 300 tons of grade Y paper i

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd