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- From Sociology, General Sociology
- Due on 17 Apr, 2015 06:46:00
- Asked On 16 Apr, 2015 08:22:24
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Lab Assignment 7: Due April 16^{th}/17^{th}

Less than high school |
Some college |
College graduate |

5 |
4 |
5 |

2 |
3 |
5 |

4 |
4 |
5 |

4 |
4 |
4 |

3 |
2 |
5 |

3 |
4 |
4 |

I.Compute an ANOVA model to examine the relationship between education and perceptions about healthcare where 5=excellent care, 3=good care and 1=poor care. Assume an alpha level of 0.05.

- Compute SSB (Sum of squares between groups). Show your work below:

- Compute between group degrees of freedom (
*dfb*). Show your work below:

- Compute SSW (Sum of squares within groups). Show your work below:

- Compute within group degrees of freedom
*(dfw).*Show your work below:

- Calculate the F statistic. Show your work below:

- What decision do you make about the null hypothesis based on the F statistic and degrees of freedom? What leads you to make this decision?

II.*The following question requires the use of SPSS. Please use the 2012 GSS dataset to complete this question. Please attach your SPSS output. *Compute an ANOVA model to examine the relationship between CLASS and AGEKDBRN. Use CLASS as the independent variable and AGEKDBRN as the dependent variable.

- Identify the F statistic. Report it here: _________.
- Identify the p value. Report it here: _________.
- What are the degrees of freedom between group _______, and within group ________.
- Are these results statistically significant at an alpha level of 0.05? What tells you if this is the case?

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- Submitted On 16 Apr, 2015 08:26:12

Answer posted by

- Guardiantutor
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From the data, Grand total, G = 5 + 2 + … + 4 = 70
From the data, Raw sum of squares, RSS = 52 + 22 + … + 42 = 288
Total size of the sample, n = 18
Therefore, total sum of squares, SST = RSS – G2/n = 288 – ...

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