Describing and Understanding Distributions

Where is the gap in the data?

• between 23 and 25

• between 17 and 20

• at 18

• at 22

What is the shape of the data for Lucy's Steakhouse?

• Symmetrical

• Skewed Left

• Skewed Right

Which car club has the higher median?

• Cruisers

• Car Hops

• Neither. Can't determine median from the graph.

What is the median of this data?

• 40

• 90

• 100

• 140

• 150

What percentage of the data is between 90 and 140?

• 25 %

• 50%

• 75%

• 100%

Describe the Shape of the Distribution.

• Multimodal and roughly symmetric

• Unimodal and roughly symmetric

• Bimodal and skewed right

• Unimodal and skewed right

Which measure of center should you use?

• Mean

• Median

Describe the Shape of the Distribution.

• Unimodal and roughly symmetric

• Unimodal and skewed left

• Unimodal and skewed right

• Bimodal and roughly symmetric

Which measure of center should you use?

• Mean

• Median

Describe the Shape of the Distribution.

• Unimodal and roughly symmetric

• Unimodal and skewed right

• Unimodal and skewed left

• Bimodal and roughly symmetric