The average monthly temperature and the average wind speed in a particular location was plotted over several months. The graph shows the points for each month’s data and their line of best fit.

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A scatter plot is displayed with temperature (°C) on the horizontal axis, ranging from 0 to

10

, and wind speed (knots) on the vertical axis, ranging from 0 to 8. A series of black dots represent individual data points plotted on the graph. The data points show a decreasing trend from the top left to the bottom right. A straight line descends diagonally across the plot, suggesting a linear relationship as it passes through the scattering of points. The line passes through points $\left(0,8\right)$(0,8) and $\left(10,2\right)$(10,2), but is not explicitly given in the image.

Use the line of best fit to approximate the wind speed on a day when the temperature is $5$5°C.

Easy

< 1min

Which of the following could be the equation for the line of best fit?

Easy

< 1min

Consider the scatter plot shown below.

Easy

2min

The depth a diver has descended below the surface of the water is plotted against her lung capacity.

Easy

3min

Outcomes

12D.D.2.4

Determine, by performing a linear regression using technology, the equation of a line that models a suitable two-variable data set, determine the fit of an individual data point to the linear model, and recognize these processes as strategies for two-variable data analysis

Line of Best Fit - Calculating

Interactive practice questions

Outcomes

12D.D.2.4

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