Refer to QUESTION 1. Suppose that the experiment was conducted and the data in the table below was obtained.
Laboratory
Method
1 = A
2 = B
True mean
1 = I
32,40,42,26
35,29,45,22
$\mu_{1}$.
2 = II
30,39,42,23
36,27,41,21
$\mu_{2}$.
True mean
$\mu_{.1}$
$\mu_{.2}$
$\mu$
(a) Construct an ANOVA table of the data. Show all your calculations.
(17)
(b) Is there evidence that the means of the elasticity of plastic prepared by the two methods are significantly different? Use the 0.05 level of significance.
(6)