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ackboardcdn.com/61aab133e7df2/188593933?X-Blackboard-S3-Bucket=learn-us-east-1-prod-fleet01-xyt... \( 3 / 6 \) \( 100 \% \) 6. (10 Points) In the following table, \( \mathrm{x} \) is a random variable representing the number of trees per mile of road on randomly selected streets with a \( 25 \mathrm{mph} \) speed limit in a major city while \( y \) represents the average speed of cars in mph sampled over a one-hour period at the same time of day. \begin{tabular}{|l|l|l|l|l|l|} \hline\( x \) & 45 & 10 & 25 & 15 & 30 \\ \hline\( y \) & 20 & 50 & 40 & 45 & 25 \\ \hline \end{tabular} a. (8 Points) Draw a scatter diagram of the above data. Remember to label the axes appropriately and choose a consistent scale. \begin{tabular}{|l|l|l|l|l|l|l|l|l|l|} \hline & & & & & & & & & \\ \hline & & & & & & & & & \\ \hline & & & & & & & & & \\ \hline & & & & & & & & & \\ \hline & & & & & & & & & \\ \hline & & & & & & & & & \\ \hline & & & & & & & & & \\ \hline & & & & & & & & & \\ \hline & & & & & & & & & \\ \hline & & & & & & & & & \\ \hline \end{tabular} b. 12 Points) Based on the scatter diagram, would you estimate the correlation coefficient to 1 May 21

          ackboardcdn.com/61aab133e7df2/188593933?X-Blackboard-S3-Bucket=learn-us-east-1-prod-fleet01-xyt...
\( 3 / 6 \)
\( 100 \% \)
6. (10 Points) In the following table, \( \mathrm{x} \) is a random variable representing the number of trees per mile of road on randomly selected streets with a \( 25 \mathrm{mph} \) speed limit in a major city while \( y \) represents the average speed of cars in mph sampled over a one-hour period at the same time of day.
\begin{tabular}{|l|l|l|l|l|l|}
\hline\( x \) & 45 & 10 & 25 & 15 & 30 \\
\hline\( y \) & 20 & 50 & 40 & 45 & 25 \\
\hline
\end{tabular}
a. (8 Points) Draw a scatter diagram of the above data. Remember to label the axes appropriately and choose a consistent scale.
\begin{tabular}{|l|l|l|l|l|l|l|l|l|l|}
\hline & & & & & & & & & \\
\hline & & & & & & & & & \\
\hline & & & & & & & & & \\
\hline & & & & & & & & & \\
\hline & & & & & & & & & \\
\hline & & & & & & & & & \\
\hline & & & & & & & & & \\
\hline & & & & & & & & & \\
\hline & & & & & & & & & \\
\hline & & & & & & & & & \\
\hline
\end{tabular}
b. 12 Points) Based on the scatter diagram, would you estimate the correlation coefficient to
1
May 21

ackboardcdn.com/61aab133e7df2/188593933?X-Blackboard-S3-Bucket=learn-us-east-1-prod-fleet01-xyt...
3 / 6
100 %
6. (10 Points) In the following table, x is a random variable representing the number of trees per mile of road on randomly selected streets with a 25 mph speed limit in a major city while y represents the average speed of cars in mph sampled over a one-hour period at the same time of day.

x 45 10 25 15 30

y 20 50 40 45 25

a. (8 Points) Draw a scatter diagram of the above data. Remember to label the axes appropriately and choose a consistent scale.

b. 12 Points) Based on the scatter diagram, would you estimate the correlation coefficient to
1
May 21

Added by Steven A.

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