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What is the interquartile range (IQR)?

• 4
• 64
• 60
• 8

Which box and whisker plot has the highest median?

• Top plot
• Bottom plot

Which restaurant has a higher median wait time?

• Lucy's Steakhouse
• Gary's Grill
• They are the same

33, 25, 42, 25, 31, 37, 46, 29, 38
What is the third quartile (UQ) of the data?

• 37
• 38
• 40
• 46

Which has a greater interquartile range?

• Airplane A

• Airplane B

• Both the same

_______ is the entire group of objects or individuals considered for a survey.

• Sample
• Population
• Random Sample
• Quartile

The part of the population being studied

• population
• sample
• random

Population or Sample?

A factory overseer selects 40 threaded rods at random from those produced that week at the factory, then she tests their tensile strength.

• Population

• Sample

Population or Sample?

A police officer measures the speed of all the cars that pass a specific point on the road during his shift.

• Population

• Sample

Complete the definition:

A _______ is a subset of a population

• sample

• sampel

• people

• statistics

• group