This freshly invented data does show that cloud cover increases as the wind speed picks up. The linear regression line is now on the graph. Select Insert > Statistics and then Linear Regression. Unless otherwise specified, the command Edit assumes that this has been done and that we are selecting Edit from the pop-up menu that we first saw in Figure 59.
Right-click in the graph and select Edit.įrom now on, we will omit ‘right click in the chart’ in our instructions. Let’s add a regression line to this graph and see what we get.
So far we have been working with a simple scatter plot, but if we look at the data points on the graph, it looks like there is a fairly strong relationship between wind speed and the amount of cloud cover.
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