Unit 8 Measures of Central Tendency

What is the mode?

• The middle number in an ordered set of data.

• The difference between the greatest and least amount in the data set

• The value that occurs the most often in a data set

• The sum of all the numbers in a data set divided by the size

Which is a synonym for "average?"

• median

• mode

• range

• mean

What do you do if there are two numbers in "the middle" when you are finding the median?

• Pick your favorite number

• They are both the median

• Find the mean of the two numbers

• None of the above

What is the mode of the following data set...

4 , 8 , 5 , 17 , 5 , 4 , 9 , 5 , 6 , 82

• 4

• 9

• 6

• 5

The median of the numbers 34, 32, 12, 65, and 45 is...

• 12

• 32

• 34

• 65

The range of the numbers 34, 32, 12, 65, and 45 is...

• 11

• 32

• 53

• 38

What is the median?

• The value that occurs the most often in a data set
• The middle number in an ordered set of data
• The sum of all the numbers in a data set divided by the size
• The sum of the between the greatest and the least elements, divided by two

In the last 5 games, Kevin Durant scored 22, 22, 18, 12, and 21 points. What is Durant's Mean (Average) score per game?

•  19 points per game
• 95 points per game
• 18.6 points per game
• 22 points per game

How many students scored more than 80%?

• 10
• 13
• 7
• 15

What is the range of the set of data?

• 70
• 65
• 80
• 55