ANOVA
Use the "Skulls" data:
131 138 125 129 132 135 132 134 138
129 134 136 137 137 129 136 138 134
128 138 136 139 141 142 137 145 137
Does the list of their means seem to indicate any "outliers"? ___________
F=________ Critical value: α=0.05:________ Reject H0?:____
p_value=_______ Reject H0?:____
If you are rejecting H0,
what does the Scheffe test show as problem pairs: rows________
what does the Tukey test show as problem pairs: rows________
*************************************************************************
Use the "Exercise 1" data:
29 31 35 33 26 32 21 26 25 34 26 34
32 28 26 23 25 26 19 29 26 20 22 22
27 32 39 27 31 26 34 30 34 26 24 31
24 31 31 25 30 39 22 33 34 35 29 26
Does the list of their means seem to indicate any "outliers"? ___________
F=________ Critical value: α=0.05:________ Reject H0?:____
p_value=_______ Reject H0?:____
If you are rejecting H0,
what does the Scheffe test show as problem pairs: rows________ and thus an "outlier" row?____
what does the Tukey test show as problem pairs: rows________ and thus an "outlier" row?____
*************************************************************************
Use the "Exercise 2" data:
8 7 7 7 8 8 6 8 8 7 7 8 8
7 8 7 7 5 8 5 8 7 6 6 6 6
4 9 6 7 9 8 5 8 7 5 4 5 4
Does the list of their means seem to indicate any "outliers"? ___________
F=________ Critical value: α=0.05:________ Reject H0?:____
p_value=_______ Reject H0?:____
If you are rejecting H0,
what does the Scheffe test show as problem pairs: rows________
what does the Tukey test show as problem pairs: rows________
*************************************************************************
Use the "Clancy-Rowling-Tolstoy" data:
58.2 73.4 73.1 64.4 72.7 89.2 43.9 76.3 76.4 78.9 69.4 72.9
85.3 84.3 79.5 82.5 80.2 84.6 79.2 70.9 78.6 86.2 74.0 83.7
69.4 64.2 71.4 71.6 68.5 51.9 72.2 74.4 52.8 58.4 65.4 73.6
Does the list of their means seem to indicate any "outliers"? ___________
F=________ Critical value: α=0.05:________ Reject H0?:____
p_value=_______ Reject H0?:____
If you are rejecting H0,
what does the Scheffe test show as problem pairs: rows________ and thus an "outlier" row?____
what does the Tukey test show as problem pairs: rows________ and thus an "outlier" row?____