Instruction 11-8
an Agronomist Wants to Compare the Crop Yield

question 60

Short Answer

Instruction 11-8
An agronomist wants to compare the crop yield of three varieties of chickpea seeds.She plants all three varieties of the seeds on each of five different patches of fields.She then measures the crop yield in bushels per acre.Treating this as a randomised block design,the results are presented in the table that follows.
$$\begin{array} { | l | l | l | l | } \hline \text { Fields } & \text { Smith } & \text { Walsh } & \text { Trevor } \\\hline 1 & 11.1 & 19.0 & 14.6 \\\hline 2 & 13.5 & 18.0 & 15.7 \\\hline 3 & 15.3 & 19.8 & 16.8 \\\hline 4 & 14.6 & 19.6 & 16.7 \\\hline 5 & 9.8 & 16.6 & 15.2 \\\hline\end{array}$$
-Referring to Instruction 11-8,the amount of total variation or SST is ________.

Understand the functionalities provided by statistical software such as SPSS in the context of one-sample t-tests and Z-tests.

Comprehend the importance of effect size magnitude and its interpretation.

Grasp the guidelines for using effect size in research.

Understand how to formulate both directional and nondirectional research hypotheses from research problems.