Shape and Spread Dot Plots

The spread/range is...

• the greatest number - the lowest number

• the average number (added together, then divided by the number of dots)

• The most frequent number

• The middle when in order

What is the shape of the dot plot shown?

• skewed left

• skewed right

• symmetrical

How many total students were surveyed about their number of brothers and sisters? (add up all of the dots)

• 15

• 10

• 6

What is the mode of the data?

• 2

• 1

• 4

• 12

Choose the best description of the overall shape of the dot plot.

• Skewed

• Uniform

• Symmetrical

Which statement correctly describes the shapes of the dot plots for cars and SUVs?

• SUVs: symmetrical
  Cars: skewed left

• Both are skewed left

• Both are symmetrical

• SUVs: skewed right
  Cars: Skewed left

What does the red arrow represent in the dot plot?

• spread

• mean

• outlier

• median

Which statement correctly compares the two dot plots?

• SUVs have the higher Gas Mileage on average

• SUVs have a higher range than Cars for mileage

• SUVs have a lower average mileage

What is the spread of the data?

• 2

• 1

• 4

• 12

What is the outlier for this data?

• 90

• 96

• 102

• 108