Mean, Median, and Range

What is the range?

• The sum of the largest and smallest number

• The number in the middle

• The difference between the largest and smallest number

• The number that appears most often

What is the median?

• The number in the middle when the numbers are in order from least to greatest.

• The difference between the largest and smallest number.

• The average

• The number that appears most often.

To find the average of a set of numbers, add up all the items and divide by...

• 2.
• The smallest number
• The largest number
• The number of items in the set.

When you are trying to find the MEDIAN of a set of data and 2 numbers are left in the middle after putting them in order from least to greatest, what do you do?

• List both of the numbers as the Median.

• Add the two numbers together and divide by 2.

• Pick the one that you want.

• Subtract the two numbers.

If the median of a set of numbers is 21 and the range is 10, what could be a possible set of numbers?

• 18, 20, 21, 22, 24

• 16, 19, 21, 23, 28

• 20, 21, 21, 21, 31

• 17, 21, 21, 21, 27

The table shows the points scored by the JV basketball team at Cox Mill High School in their first seven games. Calculate the mean, median, mode and range. Which statistical measure makes the team sound the best?

• Mean

• Median

• Mode

• Range

Match the following terms with its correct definition.

• Add together, and divide by 2.

• Mode

• The middle value in a list of numbers when arranged in ascending order

• Median

• The number that appears most frequently in a set of numbers

• Mean or Average

• The sum of all values divided by the total number of values

• What if there are 2 numbers in the middle?

• The difference between the highest and lowest values in a set of numbers

• Range

Roger bowled 7 games last weekend. His scores are: 155, 165, 138, 172, 127, 193, 142. What is the range of Roger's scores?

• 193

• 127

• 60

• 66

The number of miles that Jenna cycled each week for a 7-week period is shown:

36, 42, 28, 52, 48, 36, 31

What is the median number of miles Jenna cycled?

• 24

• 39

• 36

• 52

Dr. Dre is a dentist. He needs to report on the average (Mean) number of cavities that his patients have.

1, 0, 1, 5, 0, 3, 4. What is the average number of cavities?

• 14

• 2

• 7

• 1