Instruction 11-7
an Agronomist Wants to Compare the Crop Yield

question 137

Short Answer

Instruction 11-7
An agronomist wants to compare the crop yield of three varieties of chickpea seeds. She plants 15 fields, five with each variety. She then measures the crop yield in bushels per acre. Treating this as a completely randomised design, the results are presented in the table that follows.
$\begin{array}{rrrr}\text { Trial}& \text { Smith }& \text { Walsh}& \text { Trevor }\\\hline1 & 11.1 & 19.0 & 14.6 \\2 & 13.5 & 18.0 & 15.7 \\3 & 15.3 & 19.8 & 16.8 \\4 & 14.6 & 19.6 & 16.7 \\5 & 9.8 & 16.6 & 15.2\end{array}$
-Referring to Instruction 11-7,the amount of total variation or SST is ________.

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Definitions:

Selective Serotonin Reuptake Inhibitors (SSRI)

A class of drugs used primarily in the treatment of depression and anxiety that works by increasing the levels of serotonin in the brain.

Electroconvulsive Therapy

A medical treatment most commonly used for severe major depression which involves brief electrical stimulation of the brain while the patient is under anesthesia.

Deep Brain Stimulation

A neurosurgical procedure that involves implanting electrodes within certain areas of the brain to regulate abnormal impulses in conditions like Parkinson's disease.