For Eight Randomly Selected Communities, the Following Table Lists the Per

question 104

Essay

For eight randomly selected communities, the following table lists the per capita tea consumption (in litres) and the per capita coffee consumption (in litres)
$$\begin{array} { r c } \text { Tea } & \text { Coffee } \\32.2 & 3.1 \\29.4 & 4.4 \\35.3 & 2.3 \\34.9 & 1.7 \\29.9 & 1.4 \\28.7 & 1.2 \\26.8 & 1.2 \\41.4 & 3.0\end{array}$$
-Calculate the rank correlation coefficient when tea consumption = x and coffee consumption = y

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Definitions:

ANOVA

Stands for Analysis of Variance, a statistical method used to compare means among three or more groups to see if there is a significant difference.

Interaction

A phenomenon in statistics and research design where the effect of two or more variables on an outcome is not simply additive but depends on combinations of variables.

Sum of Squares

A statistical measure used to describe the dispersion or variation within a set of values, calculated by squaring the differences from the mean and summing them up.

Error

In statistics, this refers to the difference between a measured or observed value and the true value; it can be due to measurement inaccuracy or variability in the data.