TABLE 11-4
An agronomist wants to compare the crop yield of 3 varieties of chickpea seeds.She plants 15 fields,5 with each variety.She then measures the crop yield in bushels per acre.Treating this as a completely randomized design,the results are presented in the table that follows. 
-True or False: Referring to Table 11-4,based on the Tukey-Kramer procedure with an overall level of significance of 0.01,the agronomist would decide that there is a significant difference between the crop yield of Walsh and Trevor seeds.
Definitions:
Sulphur Treatment
Processes that remove sulfur compounds from various products, particularly in the oil and gas industry, to prevent pollution and corrosion.
Neem Oil Treatment
The application of neem oil, derived from the neem tree, as a natural pesticide to control pests and diseases in agriculture and horticulture.
Difference-In-Differences
Difference-in-differences is a method for identifying causality by looking at the way in which the average change over time in the outcome variable is compared to the average change in a control group.
Causality
The relationship between cause and effect, often established through correlation and experimentation.
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