A study of the difference of six newly created diets on weight gain of young rabbits is proposed. Because weight varies considerably amongst young rabbits, it is proposed to block the experiment based on litters. There are 10 litters of rabbits available for the study but they are varying sizes. Therefore, only three of the six diets can be observed in any particular litter. A balanced incomplete block design was proposed for this situation. The researcher conducted the study and obtained the following weight gains. litter Diet 1 2 3 4 5 6 b) 7 8 9 10 1 40.1 44.9 45.2 44 37.3 2 32.6 38.1 37.3 40.6 30.6 3 35.2 40.9 34.6 43.9 40.9 4 37.5 33.7 37.9 27.5 42.3 5 - 40.8 32 40.5 35.8 20.6 6 42.2 34.3 48.2 51.9 41.7 a) Does the data provide sufficient evidence that there's significant difference in mean weight gain amongst the six diets? Perform pairwise comparisons using LSD procedure if necessary.

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A study of the difference of six newly created diets on weight gain of young rabbits is
proposed. Because weight varies considerably amongst young rabbits, it is proposed
to block the experiment based on litters. There are 10 litters of rabbits available for the
study but they are varying sizes. Therefore, only three of the six diets can be observed
in any particular litter. A balanced incomplete block design was proposed for this
situation. The researcher conducted the study and obtained the following weight gains.
litter
Diet
a)
b)
1
2
3
4
5
6
7
8
9
10
1
40.1
44.9
45.2
44
37.3
2
32.6
38.1
37.3
40.6
30.6
-
3
35.2
40.9
34.6
43.9
40.9
4
-
37.5
33.7
37.9
27.5
42.3
5
40.8
32
40.5
35.8
20.6
6
42.2
34.3
-
48.2
51.9
41.7
Does the data provide sufficient evidence that there's significant difference in
mean weight gain amongst the six diets?
Perform pairwise comparisons using LSD procedure if necessary.
Transcribed Image Text:A study of the difference of six newly created diets on weight gain of young rabbits is proposed. Because weight varies considerably amongst young rabbits, it is proposed to block the experiment based on litters. There are 10 litters of rabbits available for the study but they are varying sizes. Therefore, only three of the six diets can be observed in any particular litter. A balanced incomplete block design was proposed for this situation. The researcher conducted the study and obtained the following weight gains. litter Diet a) b) 1 2 3 4 5 6 7 8 9 10 1 40.1 44.9 45.2 44 37.3 2 32.6 38.1 37.3 40.6 30.6 - 3 35.2 40.9 34.6 43.9 40.9 4 - 37.5 33.7 37.9 27.5 42.3 5 40.8 32 40.5 35.8 20.6 6 42.2 34.3 - 48.2 51.9 41.7 Does the data provide sufficient evidence that there's significant difference in mean weight gain amongst the six diets? Perform pairwise comparisons using LSD procedure if necessary.
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