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Quartile deviation all formulas with examples.

 QUARTILE DEVIATION In measures of dispersion the first concept is Range which we have completed earlier in previous blog. If you want visit again CLICK HERE => RANGE Now, we have to start the 2nd topic, Quartile Deviation. CONCEPT suppose think there is a number line staring from 0 and ending with 8. Now I asked you divide this number line into 4 equal parts. You may show like this                      Q1.            Q2           Q3.                                   |              |               |           0—–1——2–—3–—4–—5——6–—7–—8 So, you divided like this. There are 4 parts divided by using 3 lines. These lines are named as quartiles. For every 25% area on number ...
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Mean Deviation for continuous series.

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 MEAN DEVIATION We have previously discussed about mean Deviation for Discriet series. Now we entered in next step i.e, Mean deviation about mean for continuous series. Here mean Deviation is very typical to write on a blog. So will help you through pics which I uploaded below. 1) Mean Deviation about mean In this mean Deviation about mean,  We have to first find x values. This x values are non other than midvalues of class intervals.  Find (f×x), by using this find mean for the given data.  Next we have find |x– mean|. Multiply this |x – mean| with frequency. This sum of all {f×|x–mean|} is needed to find mean Deviation. Formula for mean Deviation(MD) about mean is.                    MD   = Σf|x–mean| ÷ Σf . Coefficient of  mean Deviation (CDM) = MD ÷ MEAN. * Follow the given picture for better understanding. 2) Mean Deviation about median For finding Mean Deviation about median First we have to find ...
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Micro economics & Macro economics - Business economics

Nature and scope of business economics. The term economics owes its origin to the Greek word for ' OIKONOMIA ' which means household management. Fundamentals facts of Economics. Human beings have unlimited wants and. That means to satisfy these unlimited wants a relative scarce from the subject matter of Economics. Economics has been broadly divided into two parts Microeconomics Macroeconomics Micro economics. The term micro is derived from the Greek word ' MIKROS'  which means small. Microeconomics deals with allocation of resources. It is also known as price theory. Product pricing, consumer behaviour, factor pricing, the economic condition of the section of people, behaviour of firms, location of industry. Macro economics. The term macro is derived from the Greek word ' MAKROS ' which means large. Macroeconomics deals with fuller utilisation of resources. It is also known as 'income and employment theory. National income and national output,  the general ...
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