Statistics Review

Which interval has 400 employees?

• 33-43
• 0-10
• 77-87
• 66-76

The number of times a data value occurs is called the __________________________.

• attribute

• data

• statistical question

• frequency

How many students are between 60 and 63 inches tall?

• 3
• 0
• 12
• 7

What data value is the upper quartile (Q3)?

• 64

• 62

• 66

• 58

Which restaurant has a higher median wait time?

• Lucy's Steakhouse

• Gary's Grill

• They are the same

What is the median of the data?

• 200

• 100

• 90

• 140

What is the interquartile range?

• 4

• 6

• 2

• 8

Which car has the biggest maximum jump?

• Car A

• Car B

Which has a greater interquartile range?

• Airplane A

• Airplane B

• Both the same

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