Calculation for discrete series or ungrouped data , Applied Statistics

Assignment Help:

Calculation for Discrete Series or Ungrouped Data

The formula for computing mean is 1931_arithmetic mean.png = 421_discrete series.png

where,

         f  = frequency

         X = variable

In a survey of 50 chemical industries, the following data was collected about the level of profits attained by them:

 

Xi = Level of
 profit (Rs. lakh)
 earned during 20x1-x2

fi = No. of companies  that earned Xi amount of profit

Xifi

20

16

24

25

31

12

15

8

7

8

240

240

192

175

248

Total

50

1095

 

The arithmetic mean is

592_discrete series1.png

Thus, the average profit of the chemical industry is Rs.21.90 lakh


Related Discussions:- Calculation for discrete series or ungrouped data

Regression analysis and experimental design, For many decades, there has be...

For many decades, there has been considerable attention paid to identifying various factors that help to reduce the number of fatalities on Australian roads. In 1964 Victoria and S

Difference in goals between pca and fa, In PCA the eigknvalues must ultimat...

In PCA the eigknvalues must ultimately account for all of the variance. There is no probability,'no hypothesis, no test because strictly speaking PCA is not a statistical procedure

Median for ungrouped data, If the data set contains an odd number of items,...

If the data set contains an odd number of items, the middle item of the array is the median. If there is an even number of items, the median is the average of the two items. If the

Population variance, Examining the Population Variance Business decisio...

Examining the Population Variance Business decision making does not limit itself to setting up the hypothesis to test for the equality of more than two means or proportions sim

Assumptions in regression, Assumptions in Regression To understand the...

Assumptions in Regression To understand the properties underlying the regression line, let us go back to the example of model exam and main exam. Now we can find an estimate o

Assignment, wants to complete assignment for uk university which i need toy...

wants to complete assignment for uk university which i need toy submit latest by 10th october

Correlation coefficients, What type of correlation coefficient would you us...

What type of correlation coefficient would you use to examine the relationship between the following variables? Explain why you have selected the correlation coefficients. A. Re

Utility function, The decision maker ranks lotteries according to the utili...

The decision maker ranks lotteries according to the utility function (i) State the independence assumption. Does this decision maker satisfy it? (ii) Is this decision ma

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