Consider the Following Data from an Experiment Using a Randomized

question 9

Essay

Consider the following data from an experiment using a randomized block design. $$\begin{array} { | c | c | c | c | c | } & \text { Treatment 1 } & \text { Treatment 2 } & \text { Treatment 3 } & \text { Treatment 4 } \\\hline \text { Block 1 } & 17 & 19 & 21 & 28 \\\hline \text { Black 2 } & 31 & 12 & 74 & 25 \\\hline \text { Black 3 } & 25 & 23 & 23 & 17 \\\hline \text { Black 4 } & 41 & 32 & 45 & 38 \\\hline \text { Black 5 } & 64 & 72 & 69 & 70 \\\hline\end{array}$$ Conduct a Friedman test at the 0.05 level of significance to determine if there are differences between the four treatments.

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Definitions:

Randomize

The process of making something random, especially to randomly assign subjects to different groups in an experiment to reduce bias.

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