The corrected text:
A researcher wanted to test the impact of three different herbicides on the ability to control weeds in turf grass. The number of weeds/m were counted after treatment with the herbicides. Below is the data, summary statistics, and the resulting ANOVA. What is the value for the LSD (0.05) for comparison of herbicide treatments?
ANOVA Two-factor without replication
Block 1
Block 1
Block 3
Block 4
Herbicide A
20 8
20 Herbicide B 9 Herbicide C 22 20 Anova: Two-Factor Without Replication SUMMARY Count Herbicide A 4 81 Herbicide B 4 30 Herbicide C 4
20
21 3 61
10 22
Average Variance 20.25 4.92 7.50 1.67 20.75 8.92
Block 1
3
53 3 46
17.67
102.33
Block 2
15.33
44.33
Block 3
3
47
Block 4
15.67
3
48
16
37
ANOVA A Source of Variation Rows Columns
SS 451.17 9.67 36.83
df 2 3 6
MS 225.58 3.22 6.14
P-value F-ratio 0.00 5.14 0.68 4.76
36.75 0.52
"Total
497.67
11