Dot Plot Data Analysis

Casey surveyed her class on how many hours of sleep they slept the previous night. Her classmate's responses are listed below.

6.5, 7, 8, 8.5, 9, 9.5, 10, 12, 8.5, 8.5, 7.5, 9, 8, 7

Which dot plot correctly represents the data?

• 
• 
• 
• 

Coach stevens held a pull-up competition in his PE class. The number of pull-ups each student was able to complete is shown below.

5, 0, 1, 4, 7, 0, 4, 2, 6, 1, 0, 2, 8, 4, 2

Which dot plot represents the data?

• 
• 
• 
• 

Ms. Martinez asked her students to keep track of how many hours they read in the last week. She organized the data into the dot plot shown.

What statement about the data is true?

• The range of the data is 4

• The range of the data is 9

• The range of the data is 8

• The range of the data is 5

Ms. Martinez asked her students to keep track of how many hours they read in the last week. She organized the data into the dot plot shown.

What statement about the data is true?

• More than half the students read 4 or less hours

• More students read more than 5 hours than students who read less than 5 hours

• More students read for 2 hours than students who read for 1 hour

• Less than half the students read more than 4 hours

David surveyed people about their family size. The data is shown in the dot plot.

What is the median family size?

• 4.5 people

• 5 people

• 4 people

• 8 people

David surveyed people about their family size. The data is shown in the dot plot.

What statement about the graph is NOT true?

• There are gaps in the data distribution.

• The data is skewed right.

• The mode of the data is 4 people.

• The data distribution is symmetrical

The heights of the basketball players of the West College University are shown in the dot plot.

What statement about the graph is NOT true?

• The range of the data is 11 years.

• There is a cluster at 22.

• The data distribution has gaps.

• The maximum age is 30 years.

The heights of the basketball players of the West College University are shown in the dot plot.

What is the most common age on the team?

• 22 years

• 23 years

• 20 years

• 11 years

Emma asked her classmates how many countries they had visited other than the one they lived in. The data is shown in the graph.

What is the mode of the data?

• 1 country

• 0 countries

• 2.5 countries

• 1.5 countries

Emma asked her classmates how many countries they had visited other than the one they lived in. The data is shown in the graph.

What statement about the graph is true?

• The median of the data is 0.5

• The range of the data is 9

• Emma surveyed 20 people

• The minimum number of countries visited is 0