Measures of Central Tendency

The Mean, Median, Mode, and Range are also known as?

• Central Tendency Measures

• Middle values

• Center values

• Tendency of the middle

Which is a synonym for "average?"

• median

• mode

• range

• mean

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

In order to find the median, the data must be sorted from least to greatest first.

• True
• False

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

• 2
• The minimum
• The maximum
• The number of items

What is the mode in the following numbers? [3, 24, 3, 7, 30, 1, 3, 7, 3]

• 3 and 7 both are modes

• 1 and 7 both are modes

• 3 only

• 7 only

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

• Pick your favorite number
• Add the two numbers in the middle & then divide by two.
• They are both the median
• None of the above

Find the median of these numbers:
4, 2, 7, 4, 3

• 2
• 5
• 7
• 4

Find the mean of these numbers:

5, 11, 2, 12, 4, 2

• 2

• 6

• 4.5

• 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