Measures of Center

What is the mode of the data set : 6, 35, 8, 20, 6, 16, 7?

(a)  

What is the median of the data set : 6, 35, 8, 20, 6, 16, 7?

• 20

• 8

• no median

• 35

What is the mean of the data set : 6, 35, 8, 20, 6, 16, 7?

• 12

• 13

• 14

• 15

You sent the same email to 10 of your friends. The number of hours it took them to respond was: 1, 1, 1, 2, 2, 3, 4, 5, 5, and 25. What are the mean, median and mode of this date?

• 49, 2.5, 1

• 4.8, 2, 1

• 4.8, 2.5, 1

• 4.9, 2.5, 1

What is the Mode?

(a)  

What is the Median

(a)  

What is the Mean

(a)  

What is the median?

• Add all of the numbers and divide by the quantity in the data set

• Find the middle of the list

• Put the numbers in order from least to greatest and find the middle

• The number that shows up the most in the data set

What is the Mean

• Add all of the numbers and divide by the quantity in the data set

• The number that shows up the most in the data set

• Put the numbers in order from least to greatest and find the middle

• Take the greatest number and subtract the least

What is the mode

• Add all of the numbers and divide by the quantity in the data set

• Put the numbers in order from least to greatest and find the middle

• The number that shows up the most in the data set

• Take the greatest number and subtract the least