Measures of Central Tendency

Measures of Central Tendency

Measures of Central Tendency

• Mean

• Median

• Mode

• Range

• InterQuartile Range

Measures of Central Tendency

Mean / Median / Mode

Multiple Choice

What is the mode of the scores?

• 24
• 14
• 34
• 30

Multiple Choice

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

Multiple Choice

• spread
• mean
• outlier
• median

Multiple Choice

Find the mean of these numbers:
5, 11, 2, 12, 4, 2

• 4.1
• 6
• 4.5
• 4

Multiple Choice

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

• 84
• 90
• 85
• 88

Interquartile Range

Multiple Choice

Find the interquartile range using the following data

4, 4, 4, 4, 5, 6, 7, 7, 7

• 3

• 1.5

• 2

• 6

Multiple Choice

What is the interquartile range of the data set below?

3, 5, 6, 6, 7, 8, 9

• 3

• 6

• 2

• 8