Truck 1
Truck 2
Truck 3
y
x
Y
X
y
X
12
8
14
12
14
16
9
9
15
10
10
15
11
10
13
11
12
15
12
8
14
13
11
14
(a) State an
appropriate model for this experiment.
(b) Analyze the data and
draw appropriate conclusions at significance level 0.05.
1
2
Composition 3
4
5
Yield
16 18 30 32 23 25
25 28 39 38 36 29
36 32 40 44 36 40
38 36 39 43 40 38
33 36 40 40 34 41
(a). State the
relevant model completely.
(b). Estimate the
mean effect of each composition.
(c). At 5% level of significance, is there any
difference in the yield of each
Truck 1 Truck 2 Truck 3 y x Y X y X 12 8 14 12 14 16 9 9 15 10 10 15 11 10 13 11 12 15 12 8 14 13 11 14 (a) State
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