### 8.2 Estimating Likelihood

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• Math Help

In Example 6, a spreadsheet was used to create a scatter plot by entering the probability and latitude of each location. The latitude of a location on Earth is the angular distance of that location north or south of the Equator. The latitude is usually measured in degrees. (The symbol for degrees is °.) The latitude of the equator is 0°. The latitude of the North Pole is 90° north, which can be written as 90° N. The latitude of the South Pole is 90° south, which can be written as 90° S. These latitudes are shown in the figure below. The locations in Example 6 are north of the Equator. So, the latitudes on the scatter plot in the solution are 30° N, 35° N, 40° N, 45° N (shown in the figure below), and 50° N.

• Consumer Suggestion

The national weather service is one way to learn about weather alerts and your local forecast, but you might also consider checking out weather.com. Weather.com offers much more than a simple weather forecast. You can see forecasts for skin dryness, hair frizziness, aches and pains, pollen count, and numerous other topics that are affected by the weather.

• Checkpoint Solution

Other possible factors include the city's altitude, average temperature on December 25, whether the city lies in a lake effect snowbelt, and the landscape of the area the city is in.

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