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No one has been able to help me with this!!! Please help me! Name the variables used in this analysis and whether they are categorical
No one has been able to help me with this!!! Please help me!
- Name the variables used in this analysis and whether they are categorical or continuous.
- State a research question, null hypothesis, and alternate hypothesis for the analysis of variance (ANOVA).
Tests of Normality | ||||||
Kolmogorov-Smirnova | Shapiro-Wilk | |||||
Statistic | df | Sig. | Statistic | df | Sig. | |
quiz3 | .140 | 105 | .000 | .935 | 105 | .000 |
a. Lilliefors Significance Correction |
Descriptives | ||||||||
quiz3 | ||||||||
N | Mean | Std. Deviation | Std. Error | 95% Confidence Interval for Mean | Minimum | Maximum | ||
Lower Bound | Upper Bound | |||||||
1 | 33 | 7.24 | 1.324 | .230 | 6.77 | 7.71 | 5 | 10 |
2 | 39 | 6.72 | 1.538 | .246 | 6.22 | 7.22 | 4 | 10 |
3 | 33 | 7.82 | 1.976 | .344 | 7.12 | 8.52 | 4 | 10 |
Total | 105 | 7.23 | 1.677 | .164 | 6.90 | 7.55 | 4 | 10 |
ANOVA | |||||
quiz3 | |||||
Sum of Squares | df | Mean Square | F | Sig. | |
Between Groups | 21.647 | 2 | 10.824 | 4.076 | .020 |
Within Groups | 270.867 | 102 | 2.656 | ||
Total | 292.514 | 104 |
Post Hoc Tests
Dependent Variable: quiz3 | ||||||
Tukey HSD | ||||||
(I) section | (J) section | Mean Difference (I-J) | Std. Error | Sig. | 95% Confidence Interval | |
Lower Bound | Upper Bound | |||||
1 | 2 | .524 | .385 | .365 | -.39 | 1.44 |
3 | -.576 | .401 | .327 | -1.53 | .38 | |
2 | 1 | -.524 | .385 | .365 | -1.44 | .39 |
3 | -1.100* | .385 | .014 | -2.02 | -.18 | |
3 | 1 | .576 | .401 | .327 | -.38 | 1.53 |
2 | 1.100* | .385 | .014 | .18 | 2.02 | |
*. The mean difference is significant at the 0.05 level. |
Homogeneous Subsets
quiz3 | |||
Tukey HSDa,b | |||
section | N | Subset for alpha = 0.05 | |
1 | 2 | ||
2 | 39 | 6.72 | |
1 | 33 | 7.24 | 7.24 |
3 | 33 | 7.82 | |
Sig. | .375 | .308 | |
Means for groups in homogeneous subsets are displayed. | |||
a. Uses Harmonic Mean Sample Size = 34.784. | |||
b. The group sizes are unequal. The harmonic mean of the group sizes is used. Type I error levels are not guaranteed. |
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