Measures of Center and Range

Find the range of the data set
1.43,1.05,34,56,89,1.1

• 87.9
• 87.57
• 87.95
• 89

At Donald's Donuts the number of donut holes in a bag can vary. Help Donald find the mode.
12,10,10,10,13,12,11,13,10

• 13
• 12
• 11
• 10

6. Find the mean.
18, 2, 0, 0, 0

• 4
• 5
• 10
• 20

Find the median from the list of numbers:

60, 58, 52, 48, 60, 67

• 58

• 59

• 60

• 118

The number of pages that Carolyn wrote in her journal each day from Monday to Friday is shown below: 
9, 8, 12, 6, 10
What is the mean number of pages she wrote per day?

• 5
• 6
• 9
• 11

Numbers that are used to describe the center of a set of data.  These measures include the mean, median, and mode.

• Interquartile Range
• Measure of Variation
• Measure of Center
• Interval

How many modes can you have in a data set?

• Zero
• One
• Two
• All the above

Lizzy had test scores of:   72, 94, 108, 60
What is the RANGE of her test scores?

• 12
• 72
• 48
• 98

To find the _________ you add up all the numbers and then divide by how many numbers you have.

• Mean
• Median
• Mode
• Range

To find the ________ you put all numbers in order from least to greatest and find the number that is in the middle.

• Mean
• Median
• Mode
• Range