1. The problem asks for the mean (average) of the temperatures given: -9, -5, 0, 1, and -2 degrees Celsius. 2. The formula for the mean of a set of numbers is: $$\text{Mean} = \frac{\text{Sum of all values}}{\text{Number of values}}$$ 3. First, sum all the temperatures: $$-9 + (-5) + 0 + 1 + (-2) = -9 - 5 + 0 + 1 - 2$$ 4. Calculate the sum step-by-step: $$-9 - 5 = -14$$ $$-14 + 0 = -14$$ $$-14 + 1 = -13$$ $$-13 - 2 = -15$$ So, the sum is $$-15$$. 5. There are 5 temperature values, so the mean is: $$\text{Mean} = \frac{-15}{5}$$ 6. Simplify the fraction: $$\text{Mean} = \frac{\cancel{-15}}{\cancel{5}} = -3$$ 7. Therefore, the mean temperature is $$-3$$ degrees Celsius. This means that if you averaged all the temperatures shown on the map, the result would be -3°C.