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Data viz edit (#1087) 

* Update data-visualize.qmd

Describe a negative relationship between engine size and fuel efficiency.

* Update data-visualize.qmd

Change "higher mileage" to "higher fuel efficiency." Add a clarifying sentence afterwards.
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Kevin Perese 2022-09-12 16:44:05 -04:00 committed by GitHub
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@ -139,7 +139,7 @@ We will begin with the `<MAPPINGS>` component.
> "The greatest value of a picture is when it forces us to notice what we never expected to see." --- John Tukey > "The greatest value of a picture is when it forces us to notice what we never expected to see." --- John Tukey
In the plot below, one group of points (highlighted in red) seems to fall outside of the linear trend. In the plot below, one group of points (highlighted in red) seems to fall outside of the linear trend.
These cars have a higher mileage than you might expect. These cars have a higher fuel efficiency than you might expect. That is, they have a higher miles per gallon than other cars with similar engine sizes.
How can you explain these cars? How can you explain these cars?
```{r} ```{r}