## Calculation Worksheet

Occurance(x) | Frequency(f) | f*x | (x-mean) | (x-mean)^2 | f*(x-mean)^2 |

1 | 5 | 5 | -1.483 | 2.199 | 10.993 |

2 | 12 | 24 | -0.483 | 0.233 | 2.797 |

3 | 8 | 24 | 0.517 | 0.268 | 2.14 |

4 | 3 | 12 | 1.517 | 2.302 | 6.906 |

5 | 0 | 0 | 2.517 | 6.337 | 0 |

6 | 0 | 0 | 3.517 | 12.371 | 0 |

7 | 1 | 7 | 4.517 | 20.405 | 20.405 |

Total -> | 29 | 72 | - | - | 43.241 |

## Answer:

**Mean =**2.483

**Standard Deviation =**1.243

**Variance =**1.544