## Kelly’s Coefficient of Skewness for grouped data

Use this calculator to find the Kelly’s coefficient of skewness for grouped (raw) data.

Kelly's Coeff. of Skewness Calculator | |
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Type of Freq. Dist. | DiscreteContinuous |

Enter the Classes for X (Separated by comma,) | |

Enter the frequencies (f) (Separated by comma,) | |

Results | |

Number of Obs. (n): | |

First Decile : ($D_1$) | |

Sample Median : ($D_5$) | |

Nineth Decile : ($D_9$) | |

Kelly's Coeff. of Skewness : | |

## Kelly’s Coefficient of Skewness for grouped data

```
$$
\begin{eqnarray*}
Sk& = &\frac{D_9+D_1 -2*Median}{D_9-D_1}
\end{eqnarray*}
$$
```