Describing and Understanding Distributions

Describe the distribution of the data.

• skewed left

• skewed right

• symmetrical

Answer explanation

A left-skewed distribution has a long left tail

Describe the distribution of the data.

• skewed left

• skewed right

• symmetrical

Answer explanation

A right-skewed distribution has a long right tail

Describe the distribution of the data.

• skewed left

• skewed right

• symmetrical

Answer explanation

In graph form, symmetrical distribution often appears as a bell curve. If a line were drawn dissecting the middle of the graph, it would show two sides that mirror each other.

How many people take 10 or more minutes to eat breakfast?

• 7

• 10

• 12

• 25

Answer explanation

count the dots on 10, 11, 12

How many of the students play 10 or less hours of video games on weekends?

• 3

• 2

• 5

• 10

How many of the students play more than 20 hours of video games on weekends?

• 9

• 7

• 25

How many of the students play exactly 12 hours of video games on weekends?

• 3

• 4

• cannot be determined

How many people take 3 minutes to eat breakfast?

• 2

• 3

• 4

• 5

Answer explanation

count the dots above the 3

How would you describe this distribution?

• Left skewed

• Uniform

• Right Skewed

• Symmetrical

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

• SKEWED LEFT

• SKEWED RIGHT

• UNIFORM

• SYMMETRICAL