> OrchardSprays decrease rowpos colpos treatment 1 57 1 1 D 2 95 2 1 E 3 8 3 1 B

Question

> OrchardSprays
decrease rowpos colpos treatment
1 57 1 1 D
2 95 2 1 E
3 8 3 1 B
4 69 4 1 H
5 92 5 1 G
6 90 6 1 F
7 15 7 1 C
8 2 8 1 A
9 84 1 2 C
10 6 2 2 B
11 127 3 2 H
12 36 4 2 D
13 51 5 2 E
14 2 6 2 A
15 69 7 2 F
16 71 8 2 G
17 87 1 3 F
18 72 2 3 H
19 5 3 3 A
20 39 4 3 E
21 22 5 3 D
22 16 6 3 C
23 72 7 3 G
24 4 8 3 B
25 130 1 4 H
26 4 2 4 A
27 114 3 4 E
28 9 4 4 C
29 20 5 4 F
30 24 6 4 G
31 10 7 4 B
32 51 8 4 D
33 43 1 5 E
34 28 2 5 D
35 60 3 5 G
36 5 4 5 A
37 17 5 5 C
38 7 6 5 B
39 81 7 5 H
40 71 8 5 F
41 12 1 6 A
42 29 2 6 C
43 44 3 6 F
44 77 4 6 G
45 4 5 6 B
46 27 6 6 D
47 47 7 6 E
48 76 8 6 H
49 8 1 7 B
50 72 2 7 G
51 13 3 7 C
52 57 4 7 F
53 4 5 7 A
54 81 6 7 H
55 20 7 7 D
56 61 8 7 E
57 80 1 8 G
58 114 2 8 F
59 39 3 8 D
60 14 4 8 B
61 86 5 8 H
62 55 6 8 E
63 3 7 8 A
64 19 8 8 C

Q.PART A. Calculate the mean of the decrease for each treatment group and match values provided to the groups A, D and E.
Q. PART B. What is the value of the sum of squares of the treatment? (round to zero decimal places x )

Explanation / Answer

Part A. Ans:

Part B

One-way ANOVA: decrease versus treatment

Source DF SS MS F P
treatment 7 56160 8023 19.06 0.000
Error 56 23570 421
Total 63 79730

The sum of squares of the treatment is 56160.

Treatment N Mean A 8 4.63 B 8 7.63 C 8 25.25 D 8 35 E 8 63.13 F 8 69 G 8 68.5 H 8 90.25

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