Descriptive statistics

Frequency Distribution Table

Now we know about class interval, class limits, size of class interval, frequency distribution, class boundaries and mid class. On…

14 years ago

Quartiles, Deciles and Percentiles (Grouped Data)

When data is arranged in ascending or descending order, it can be divided into various parts by different values such…

14 years ago

How to Calculate an Index Number

An index number is a percentage value designed to measure the over all change in a variable, or in a…

14 years ago

Problems in the Construction of Index Numbers

The construction of an index number is not an easy task. Various problems hamper the construction of index number such…

14 years ago

Fisher Ideal Price Index

The geometric mean of Laspeyre’s and Paasche’s price indices is called Fisher’s price Index. Fisher price index uses both current…

14 years ago

Laspeyres Price Index

If the quantities of base time period are taken as weights, the weighted aggregative price index is called Laspeyres price…

14 years ago

Marshall Edgeworth Price Index

If the weights are taken as the arithmetic mean of base and current year quantities, then the weighted aggregative index…

14 years ago

paasche’s Price Index

If the quantities of current time period are taken as weights, the weighted aggregative index is called Passche’s Price Index.…

14 years ago

Consumer Price Index Use

Consumer price index compares the price changes with changes in income, wage rates, retail sales etc. Consumer price index is…

14 years ago

Shifting of Base Year

Most index numbers are subjected to revision from time to time due to different reasons. In most cases it becomes…

14 years ago