Data Analysis Math

The number that repeats the most

• Mean

• Median

• Range

• Mode

also called the average, add all the numbers and divide by the amount of numbers in the data

• Mean

• Median

• Range

• Mode

What is the mean?

• 15

• 18

• 20

• 25

Day of the Week   # of Pets Adopted 
 Monday 15 
 Wednesday 10 
 Friday 20 
 Saturday 25 
 Sunday 20 
What is the mode?

• 15

• 18

• 20

• 25

Day of the Week   # of Pets Adopted 
 Monday 15 
 Wednesday 10 
 Friday 20 
 Saturday 25 
 Sunday 20 
What is the median?

• 15

• 18

• 20

• 25

Day of the Week   # of Pets Adopted 
 Monday 15 
 Wednesday 10 
 Friday 20 
 Saturday 25 
 Sunday 20 
What is the maximum?

• 15

• 18

• 20

• 25

What is the first Quartile?

• 10

• 13

• 12.5

• 15

What is the 3rd Quartile?

• 20

• 22.5

• 24

• 23

What is the MODE of this data?

• 90

• 85, 90, and 95

• 85 and 95

• None

Which best represents the Interquartile Range

• 15

• 93

• 85

• 78