solution:
Given data:
3.
a)
The ANOVA model is:
Data = 8.833 - 0.333 Factor A_1 + 0.333 Factor A_2 - 0.833 Factor B_1 + 0.833 Factor B_2
b)
The plots are:
Yes, the factors interact.
c)
The ANOVA table is:
Source | SS | df | MS | F | p-value |
Factor 1 | 1.33 | 1 | 1.333 | 1.60 | .2415 |
Factor 2 | 8.33 | 1 | 8.333 | 10.00 | .0133 |
Interaction | 85.33 | 1 | 85.333 | 102.40 | 7.77E-06 |
Error | 6.67 | 8 | 0.833 | ||
Total | 101.67 | 11 |
The hypothesis being tested is:
H0: There is no main effect of Factor A
Ha: There is a main effect of Factor A
The p-value is 0.2415.
Since the p-value (0.2415) is greater than the significance level (0.01), we cannot reject the null hypothesis.
Therefore, we cannot conclude that there is a main effect of Factor A.
The hypothesis being tested is:
H0: There is no main effect of Factor B
Ha: There is a main effect of Factor B
The p-value is 0.0133.
Since the p-value (0.0133) is greater than the significance level (0.01), we cannot reject the null hypothesis.
Therefore, we cannot conclude that there is a main effect of Factor B.
The hypothesis being tested is:
H0: There is no interaction effect
Ha: There is an interaction effect
The p-value is 0.0000.
Since the p-value (0.0000) is less than the significance level (0.01), we can reject the null hypothesis.
Therefore, we can conclude that there is an interaction effect.
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solve number 3 only 3. The following sample data stem from two-factor factorial study. a) b)...