1. The mean, median, and mode are three kinds of averages. Which of these three is most commonly referred to as "the average"? =

2. In calculating the average of your grades, what measures of central tendency is used?

3. What will you use when you want the most frequent item or number in a list of data?

4. The difference between the greatest number and the least number in a set of data is called the range. What is the best measures of central tendency to use when the range is great?

5. What is best to use when the range is not great? =​