Analyzing Data Mean Median and Mode

Another name for the "mean"

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

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

• 8.5
• 8.9
• 9
• 9.1

What is the first thing you should do before finding the median or the mode?

• Start crossing numbers off
• Put numbers in order from least to greatest
• List the numbers how they are
• Look for repeats

How do you find the mean 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

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

• 45.2
• 56
• none
• 48

Find the mean:
28, 18, 19, 18, 17

• 20
• 18
• 11
• 19

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

• 9
• 5
• 3
• 7

Can there be more than one mode?

• Yes
• No

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:
3, 5, 7, 4, 3, 1

• 3 and 4
• There isn't one
• 3.5
• 3