For a Sample of 15 Rural Counties in One State,a

question 45

Short Answer

For a sample of 15 rural counties in one state,a researcher has collected information about the rate of deaths due to traffic accidents per 1,000,000 population and the percentage of the population which consists of males,age 16 to 25.For these variables,find the least squares regression line and compute r and r squared.Write a sentence or two summarizing and explaining your results.
$\begin{array}{l}\begin{array}{ll}&\text { RATE OF } \\\underline {\text {COUNTY } } &\underline {\text { TRAFFIC DEATHS } } \\ \mathrm{A} & 15 \\\mathrm{~B} & 16 \\\mathrm{C} & 22 \\\mathrm{D} & 23 \\\mathrm{E} & 20 \\\mathrm{~F} & 25 \\\mathrm{G} & 18 \\\mathrm{H} & 15 \\\mathrm{I} & 19 \\\mathrm{~J} & 10 \\\mathrm{~K} & 9 \\\mathrm{~L} & 18 \\\mathrm{M} & 15 \\\mathrm{~N} & 24 \\\mathrm{O} & 9\end{array}\begin{array}{l}\text { \% OF POPULATION } \\\underline {\text { YOUNG MALES } } \\4 \\5 \\10 \\9 \\8 \\11 \\2 \\6 \\12 \\3 \\2 \\15 \\9 \\16 \\2\end{array}\end{array}$

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