Mean Median Mode Range and Dot Plots

What is the range of this data set?

• 9

• 20

• 2

• 16

What is the MEDIAN of this data?

• 65

• 40

• 915

• 13

What is another word for AVERAGE?

• Mode

• Median

• Mean

• Not nice

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

• 20

• 18

• 11

• 19

What is the mode?

• 88%

• 89%

• 97%

• 91%

These two dot plot shows the daily low temperatures for two cities for 15 days. Which city has a greater amount of VARIATION in temperatures?

• Both dot plots are bell shaped so they have the same variation.

• Lahnston has greater variation because the range in temperature for Lahnston is greater than for Zaslow.

• The dot plots are for different cities so we can't say.

• Zoslow has greater variation because the range in temperature for Zoslow is greater than for Lahnston.

Which dot plot shows more consistency, LESS variation? a or b?

• a

• b

Find the Mean. 

• 7

• 2

• 1.8

• 1.5

Find the medians.
Science: _________ Math: __________ 

•  science: 4.5 h; math: 3 h

•  science: 3 h; math: 4.5 h

•  science: 5 h; math: 5 h

•  science: 3.5 h; math: 4 h

The double dot plot shows the gas mileage, in miles per gallon, for several cars and SUVs.

• The cars have a greater gas mileage with a greater variation.

• The cars have a greater gas mileage with a less variation.

• SUVs have less gas mileage with greater variation.

• SUVs are centered around a greater median.