IM1 Unit 1 Benchmark Std. 2

The box-and-whisker plots shown below represent the salaries of employees at two different

companies.

What is the difference between the median salaries of the employees at the two companies?

• $0

• $500

• $1000

• $2000

Which statement is true?

• Airplane A has a lesser median

• Airplane B has a greater range

• Airplane A has a less predictable flight length

• Airplane B a lesser IQR

Which restaurant has a higher median wait time?

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

Which of the following best describes the shape of the distribution?

• SKEWED LEFT
• SKEWED RIGHT
• UNIFORM
• SYMMETRICAL

Which of the following best describes the shape of the distribution?

• SKEWED LEFT
• SKEWED RIGHT
• UNIFORM
• SYMMETRICAL

Which box and whisker plot shows more "spread out" data?

• Top plot
• Bottom plot

Which measure of center will be the smallest?

(Remember which one pulls toward the tail)

• median

• mean

• mode

When is the median a better choice for measure of center compared to the mean?

• When the distribution is symmetric

• When the distribution is almost symmetric

• When the distribution is strongly skewed

• When there are a lot of data values

Which statement is TRUE!

• A

• B

• C

• D

Which group has a greater median shopping time?

• Group A

• Group B

• They're the same.

• You can't tell.