12.1 Homework

Front

What is the difference between the greatest and least data value?

Back

Range

Front

How do you find the mean of a set of numbers?

Back

Add all the numbers together and divide by the total count of numbers.

Front

What is the mean of these numbers: 5, 11, 2, 12, 4, 2?

Back

6

Front

What is the mean (average) score per game for Kevin Durant if he scored 22, 22, 18, 12, and 21 points in the last 5 games?

Back

19 points per game

Front

What is the number or numbers that appear most often in a set of data called?

Back

Mode

Front

What is the range of the heights: 158cm, 172cm, 164cm, 164cm, 167cm, 159cm?

Back

14cm

Front

What is the term for the middle value in a set of data when arranged in order?

Back

Median

Front

If a set of numbers is 3, 7, 7, 2, 5, what is the mode?

Back

7

Front

What is the formula to calculate the mean?

Back

Mean = (Sum of all values) / (Number of values)