Quartile deviation for Grouped Data

Quartile deviation or semi-interquartile range is the dispersion which shows the degree of spread around the middle of a set of data. Since the difference between third and first quartiles is called interquartile range therefore half of interquartile range is called...

FIFO – First in, First Out

First in first out is the method of inventory valuation. As the name implies under FIFO method the first unit of raw material received in the stock is to be issued first to manufacturing department. In other words it assumes that the material is issued from the oldest...

How to Calculate Range in Statistics

Range is defined as the difference between the maximum and minimum values of the data. Although Range is the simplest measure of dispersion and is easy to calculate but it is not a good measure of dispersion because it ignores variation among all other values and...

NPV – Net Present Value

Management and shareholders are mainly concerned for the long term returns over investment. In a stable economy where some degree of certainty prevails companies prefer to invest in long term projects which require heavy investments initially and return is expected...

What are Measures of Central Tendency

When a data is collected from a source, it is impractical to keep in mid all values that may be present in a set of data. Therefore a single value which may be considered typical of the set of data should be taken. Central tendency is that single value of the data...

How to Find Percentiles in Statistics

The data arranged in ascending or descending order can be divided into 100 equal parts by 99 values. These values are called percentiles and denoted by P1, P2,………..P99. There is a slight difference in the calculation of percentiles in case of grouped and ungrouped...

How to Calculate Deciles

The arranged data can be divided into ten equal parts by nine values. These values are called deciles and denoted by D1, D2,…….D9. Two different types of formulas are used for the calculation of deciles in case of grouped data (data presented in frequency...

How to Find Quartiles

The arranged data can be divided into four equal parts by three values. These values are called quartiles and are denoted by Q1, Q2 and Q3. Here Q1 is first quartile, Q2 is second quartile and Q3 is third quartile.   Calculation of quartiles for ungrouped data...

WACC – Weighted Average Cost of Capital

The capital structure of a firm comprises of three financing components i.e. shareholders’ funds (including retained earnings), borrowed funds, and preference shareholders funds. All capital components have one feature in common i.e. the investors who provided the...