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Use the Spearman Rank Correlation Coefficient to Determine Whether the Correlation

Question 65

Essay

Use the Spearman rank correlation coefficient to determine whether the correlation between the given variables is
significant. Be sure to do the following: Identify the claim mathematically and state the null and alternative hypotheses.
Determine the critical value and find the test statistic. Decide whether to reject or fail to reject the null hypothesis and
interpret the decision in the context of the original claim.
-A manager wishes to determine whether there is a relationship between the distance traveled per month by the
sales representatives and the amount of sales generated per month. Can you conclude that there is a correlation
between distance traveled and sales generated? Use α\alpha = 0.05.  Distance (hundreds of miles) 111219161724121020 Sales (thousands of dollars) 4042877174705764129\begin{array} { l | r r r r r r r r r } \text { Distance (hundreds of miles) } & 11 & 12 & 19 & 16 & 17 & 24 & 12 & 10 & 20 \\\hline \text { Sales (thousands of dollars) } & 40 & 42 & 87 & 71 & 74 & 70 & 57 & 64 & 129\end{array}

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blured image critical value 0.700; test statistic blured image r...

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