Statistics Quiz Review

Describe the histogram:

• Left Skewed

• Normal/Symmetrical

• Right Skewed

• Uniform/Flat

What is the range of ages shown in this histogram?

• 10 years

• 30 years

• 20 years

• none of the above

Based on our class data histogram, what appears to be the approximate median hours of screen time?

• 0-2 hours

• 4-6 hours

• 6-8 hours

• 16-18 hours

How many students are between 48 and 51 inches tall?

• 14
• 8
• 2
• 0

How many people watched between 6 and 10 hours of TV last week?

• 31
• 22
• 15
• 35

Which interval has the greatest number of employees?

• 11-21
• 33-43
• 77-87
• 44-54

What is the highest score in the class?

• 88%

• 100%

• 13

• 98%

How many people have 4 or more pets?

• 8

• 3

• 6

• 4

How many students scored 93% or less?

• 6

• 16

• 14

• 13

10.)Which of the following best describes the shape of the distribution?

• SKEWED LEFT

• SKEWED RIGHT

• SYMMETRICAL