Consider the Following Data for Two Variables, X and Y

question 60

Essay

Consider the following data for two variables, x and y, where x is the age of a particular make of car
and y is the selling price, in thousands of dollars. $$\begin{array} { | c | c c c c c c c c c c | } \hline x & 7 & 10 & 3 & 5 & 3 & 10 & 4 & 14 & 5 & 8 \\\hline y & 35.0 & 28.5 & 45.0 & 45.0 & 55.0 & 25.0 & 37.5 & 27.5 & 30.0 & 27.5 \\\hline\end{array}$$ Use Excel to test whether the population slope is positive, at the 1% level of significance.

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Cultural Competency

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