Math III - Central Tendency Practice (1st) 3/15

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

There can be more than one mean

• True

• False

There can be more than one mode

• True

• False

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

• 11

• 32

• 53

• 38

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

Austin hit some home runs in a game.  He hit 9, 11, 12, and 8.  He wants his mean to be 10.  How many will he need in the next game?

• 40
• 50
• 10
• 3