The Following Data Were Generated from a Randomised Blocked Experiment

question 118

Essay

The following data were generated from a randomised blocked experiment. Conduct a Friedman test at the 5% significance level to determine if at least two population locations differ. $\begin{array} { | c | c | c | c | c | c | c | } \hline & && { \text { Treatment } } \\\hline \text { Block } & \text { A } & \text { Rank } & \text { B } & \text { C } & \text { Rank } & \text { D } \\\hline 1 & 70 & & 80 & 50 & & 65 \\\hline 2 & 50 & & 87 & 52 & & 81 \\\hline 3 & 69 & & 97 & 75 & & 83 \\\hline 4 & 65 & & 72 & 62 & & 73 \\\hline 5 & 58 & & 87 & 52 & & 62 \\\hline\end{array}$

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Definitions:

Bottom-Up Processing

An approach to information processing that starts with small details and works up to the larger, conceptual understanding.

Congenital Deafness

Congenital deafness refers to hearing loss that is present at birth, which can result from genetic factors, abnormalities in the ear's structure, or maternal exposure to certain substances or infections during pregnancy.

Sensorineural

Pertaining to or involving both sensory and neural mechanisms, often used in reference to hearing loss caused by damage to the inner ear or auditory nerve.

Acoustic

Pertains to sound, or the science of sound, including its production, transmission, and effects.