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.
Trial Smith Walsh Trevor
1 11.1 19.0 14.6
2 13.5 18.0 15.7
3 15.3 19.8 16.8
4 14.6 19.6 16.7
5 9.8 16.6 15.2
-Referring to Table 11-4, the decision made at 0.005 level of significance implies that all 3 means are significantly different.

Question

Quizplus · Accepted Answer

The decision at a 0.005 level of significance would imply that at least one mean is different, not necessarily that all three means are significantly different.

TABLE 11-4 An Agronomist Wants to Compare the Crop Yield of 3