The Data on the Distance Walked Per Week by 20

Essay

The data on the distance walked per week by 20 people of different age groups are given in the table below. $$\begin{array} { | c | c | } \hline \text { Age } & \text { Distance walked/week } \\\hline 18 & 25 \\\hline 20 & 22 \\\hline 21 & 20 \\\hline 25 & 23 \\\hline 26 & 18 \\\hline 29 & 15 \\\hline 38 & 19 \\\hline 34 & 16 \\\hline 42 & 14 \\\hline 23 & 21 \\\hline 32 & 24 \\\hline 45 & 13 \\\hline 50 & 11 \\\hline 53 & 9 \\\hline 44 & 10 \\\hline 19 & 28 \\\hline 28 & 26 \\\hline 35 & 17 \\\hline 49 & 12 \\\hline 27 & 27 \\\hline\end{array}$$
a. Create a scatter chart for these 20 observations.
b. Fit a linear trendline to the 20 observations. What can you say about the relationship between the two quantitative variables?