Question

Group | Reggae | Blues | R&B |

Early Stage Alzheimer's | 21 | 9 | 29 |

24 | 12 | 26 | |

22 | 10 | 30 | |

18 | 5 | 24 | |

20 | 9 | 26 | |

Middle Stage Alzheimer's | 22 | 14 | 15 |

20 | 18 | 18 | |

25 | 11 | 20 | |

18 | 9 | 13 | |

20 | 13 | 19 |

Use **Excel’s ToolPak** to compute Two-Way ANOVA
and submit your statistical output.

- Are there any significant main effects or an interaction effect?
- Interpret your answer.

Answer #1

from excel: data -data analysis:two way ANOVA( with replication)

statistical output is:

Source of Variation |
SS |
df |
MS |
F |
P-value |

stage | 30 | 1 | 30.00 | 4.04 | 0.0557 |

Groups | 740 | 2 | 370.00 | 49.89 | 0.0000 |

Interaction | 260 | 2 | 130.00 | 17.53 | 0.0000 |

Within | 178 | 24 | 7.42 | ||

Total | 1208 | 29 |

since p value for Groups is less than 0.05 ; there is a significant main effect for groups

and p value for interaction is less than 0.05 ; there is a significant interaction effect.

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