Descriptive Statistics

Bowleys Coefficient of skewness for grouped data

Feb 20, 2024
STATISTICS

Bowley’s Coefficient of Skewness for grouped data Skewness is a measure of symmetry. The meaning of skewness is “lack of...

6 min Read

Bowleys Coefficient of skewness for ungrouped data

Feb 20, 2024
STATISTICS

Bowley’s Coefficient of Skewness for Ungrouped data Skewness is a measure of symmetry. The meaning of skewness is “lack of...

5 min Read

Central moments for grouped data

Feb 20, 2024
STATISTICS

Central moments for grouped data Let $(x_i,f_i), i=1,2, \cdots , n$ be given frequency distribution. The mean of $X$ is...

3 min Read

Central moments for ungrouped data

Feb 20, 2024
STATISTICS

Central moments for ungrouped data Let $x_1, x_2,\cdots, x_n$ be $n$ observations. The mean of $X$ is denoted by $\overline{x}$...

1 min Read

Coefficient of variation for grouped data

Feb 20, 2024
STATISTICS

Coefficient of variation for grouped data Let $(x_i,f_i), i=1,2, \cdots , n$ be given frequency distribution. Formula Coefficient of variation...

2 min Read

Coefficient of variation for ungrouped data

Feb 20, 2024
STATISTICS

Coefficient of variation for ungrouped data Coefficient of variation is an absolute measure of variation and is used for the...

2 min Read

Deciles for grouped data

Feb 20, 2024
STATISTICS

Deciles for grouped data Deciles are the values of arranged data which divide whole data into ten equal parts. They...

5 min Read

Deciles for ungrouped data

Feb 20, 2024
STATISTICS

Deciles for ungrouped data Deciles are the values of arranged data which divide whole data into ten equal parts. They...

4 min Read

Empirical Rule for grouped data

Feb 20, 2024
STATISTICS

Empirical rule for grouped data Empirical rule is the general rule of thumb that applies to bell shaped (symmetrical) distribution....

4 min Read

Empirical Rule for ungrouped data

Feb 20, 2024
STATISTICS

Empirical Rule for ungrouped data Empirical rule is the general rule of thumb that applies to bell shaped (symmetrical) distribution....

2 min Read

Five number summary for grouped data

Feb 20, 2024
STATISTICS

Five number summary for grouped data A five number summary is a quick and easy way to determine the the...

5 min Read

Five number summary for ungrouped data

Feb 20, 2024
STATISTICS

Five number summary for ungrouped data A five number summary is a quick and easy way to determine the the...

3 min Read