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What is the formula for calculating volume of numbers?
The formula for the volume of numbers is V=Bh, where B is the area of the base and h is the height of the solid.
What is the rule that allows us to add the exponents of factors whose base numbers are the same?
It is one on the "index laws".
Discuss the importance of index number?
ndex numbers are basically economic data figures that reflect the price or quantity compared with standard or base value. It is normally expressed as 100 times the ratio of the base value that equals 100. Index numbers are very important for economic analysis. They summarize movements in a group of related variables. The consumer Price index is one of the most commonly used form of index number. It measures the changes in the retail prices.
What is chain based method of analysis in statistics?
Chain Base MethodIn this method, there is no fixed base period. The year immediately preceding the one for which price index have to be calculated is assumed as the base year. Thus, for the year1994 the base year would be 1993, for 1993 it would be 1992 for 1992 it would be 1991 and so on. In his way there is no fixed base. It goes on changing. The chief advantage of this method is that the price relatives of a year can be compared with the price level of the immediately preceding year. Businessmen mostly interested in comparison of this type rather than in comparison relating to distant past. Yet another advantage of the chain base method is that it is possible to include new items in an index number or to delete old times which are no more important. In fixed base method it is not possible. But chain base method has drawback that comparison cannot be made over a long period.In Chain Base,Link relative of current yearsor
How do you work out the index number?
Index numbers are usually expressed by setting some selected value as 100 and converting all other numbers to an index relative to that base.So, for a simple index, if the value y(0) is set to 100, then the index for the value y(k) is y(k)/y(0)*100.The calculations become more complicated if the index is for a collection of items. In such cases, a number of different "sub-indices" need to be combined together. The combined index is calculated as a weighted average of the component sub-indices, with the weights based on the importance of each su-index in the base period (base-weighted) or in the current period (current-weighted).
