TABLE 11-10
an Agronomist Wants to Compare the Crop Yield

question 67

True/False

TABLE 11-10
An agronomist wants to compare the crop yield of 3 varieties of chickpea seeds. She plants all 3 varieties of the seeds on each of 5 different patches of fields. She then measures the crop yield in bushels per acre. Treating this as a randomized block design, the results are presented in the table that follows.
$$\begin{array} { l c c l } \text { Fields } & \text { Smith } & \text { Walsh } & \text { Trevor } \\1 & 11.1 & 19.0 & 14.6 \\2 & 13.5 & 18.0 & 15.7 \\3 & 15.3 & 19.8 & 16.8 \\4 & 14.6 & 19.6 & 16.7 \\5 & 9.8 & 16.6 & 15.2\end{array}$$
-Referring to Table 11-10, the null hypothesis for the F test for the block effects should be rejected at a 0.01 level of significance.

Estimate the mean value of a variable for a given value of another variable in a regression context.

Comprehend the implications of distance from the mean of x on the estimated error in predictions.

Recognize the conditions under which to use confidence vs. prediction intervals in statistical analysis.

Understand the concepts of atomic and hybrid orbitals in the context of molecular bonding.

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