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

What is the first step when looking at a data set?

• Find the mean

• Sort the data into categories

• Find the range

• Put the data in ascending order

The mean of the data set can be found by...

• finding the sum of the numbers and then dividing by the total amount of numbers in the data set

• subtracting the minimum from the maximum

• choosing the middle number

• choosing the number that occurs most

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

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

• 4

• 9

• 6

• 5

If you score 76, 85, 97, and 83 on your math tests for the unit, what would your median score be?

• 84

• 90

• 85

• 88

Find the mean of these numbers:

5, 11, 2, 12, 4, 2

• 2

• 6

• 4.5

• 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

The average temperatures across Washington, Texas, Oklahoma, New York, Missouri, Georgia, Hawaii and Michigan are 48°F, 65°F, 60°F, 45°F, 54°F, 64°F, 70°F and 45°F respectively. Find the median.

• 25° F

• 57° F

• 56°

• 50° F

Alfonso plays basketball on a team. He has played three games so far. In the first game, he scored 10 points. In the second game, he scored 16 points. In the third game, he scored 7 points. What is Alfonso's average points per game?

• 9 Points

• 10 Points

• 11 Points