15.7.1. Data Processing

Try these first

1. 1.

   What is the Arithmetic Mean Method?

   Hint

   Think about how you find an average in daily scores.

2. 2.

   What does skewness measure?

   Hint

   Consider where the bulk of your data lies.

3. 3.

   What method calculates the average rainfall from multiple points?

   • Arithmetic Mean Method
   • Thiessen Polygon Method
   • Isohyetal Method

   Hint

   Consider how you might calculate an average in everyday life.

4. 4.

   True or False: Skewness indicates how peaked a data distribution is.

   • True
   • False

   Hint

   Remember the definitions of these terms.

5. 5.

   You have the following rainfall data (in mm) for four months: 100, 150, 200, 50. Calculate the mean, median, and mode.

   Hint

   Organize the data to find the median and be sure to sum for the mean.

6. 6.

   If the rainfall data for a region has a skewness of 0.5, describe the implications for the rainfall distribution.

   Hint

   Think about how outliers affect the distribution.