Analyzing Mean Median and Mode

Another name for the "mean"

• Middle number
• Average
• Number that repeats the most
• Rude

How do you find the average of a data set?

• Add them all up and divide by how many numbers there are
• List in order from least to greatest
• Add the numbers and subtract the largest number
• Find the repeated numbers

What is the mean of the data set:
8.9, 9.4, 8.6, 9.1

• 8.5
• 8.9
• 9
• 9.1

Find the mean of the data set:
34, 57, 58, 56, 21

• 45.2
• 56
• none
• 48

When finding the median, what do you do if there are two middle numbers?

• Add them together and divide by 2
• Write them both as the answer
• Give up
• Pick one

Find the median of the data set:
18, 19, 17, 14, 20, 20, 15, 21

• 17
• 18.5
• 20
• 14

Find the median:
5, 6, 3, 9, 0, 4, 1, 2, 7

• 4
• 4.1
• 5
• 4.5

What is the mode of the data set:
Black  Blue  Red
Pink  Black  Black
Gray  Green  Blue
Blue  Blue  Red
Yellow  Blue  Red

• Blue and Black
• Blue
• Red
• Black

Can there be more than one mode?

• Yes
• No

Find the mode:
5, 0, 9, 9, 3, 0, 5, 5, 4

• 9
• 5
• 3
• 7