A Scientist Collects Data to Predict the Wheat Yield (In

question 6

Multiple Choice

A scientist collects data to predict the wheat yield (in bushels per acre) based on rainfall (in millimetres) .The results are recorded in the table below. $$\begin{array} { c | c } \begin{array} { c } \text { Rainfall } \\( \mathrm { mm } ) \end{array} & \begin{array} { c } \text { Wheat Yield } \\\text { (bushels per acre) }\end{array} \\\hline 11.5 & 61.2 \\7.6 & 25.8 \\11.2 & 50.6 \\18 & 78.5 \\8.6 & 40.9 \\10.5 & 42.3 \\14.7 & 70.4 \\13.1 & 54\end{array}$$ Compute Spearman's rank correlation.Assume that rank ties will have little influence on your result.

• A)0.962
• B)0.944
• C)0.976
• D)0.94
• E)0.942

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