*Generated Nov 29, 2018 by mesa119*

**One Way ANOVA**

### Analysis of Variance results:

Responses: Exam 3 Score

Factors: Difficulty

### Response statistics by factor

Difficulty | n | Mean | Std. Dev. | Std. Error |
---|---|---|---|---|

1 | 1 | 107 | NaN | NaN |

3 | 53 | 74.660377 | 21.045686 | 2.8908473 |

4 | 7 | 71.571429 | 16.831094 | 6.3615555 |

5 | 22 | 58.181818 | 20.719525 | 4.4174175 |

### ANOVA table

Source | DF | SS | MS | F-Stat | P-value |
---|---|---|---|---|---|

Difficulty | 3 | 5595.3672 | 1865.1224 | 4.3661724 | 0.0067 |

Error | 79 | 33746.874 | 427.17562 | ||

Total | 82 | 39342.241 |