Making Inferences from Line Plots and Frequency Tables

Ms. Moss did a survey of her class about how many books they read over the summer. Using the dot plot, identify the correct statements.

• More of her students have read more than 4 books than the number of students who read less than 3 books.

• Ms. Moss surveyed 20 students.

• Half of the students have read more than 1 book.

• Most of the students have read at least 1 book.

This list shows the ages of 13 children at a playground.

5, 4, 7, 6, 5, 3, 2, 5, 7, 8, 4, 6, 6

Which line plot shows the number of students at each age?

• 
• 
• 
• 

The number of pets students in the class had were recorded in the frequency table shown. Which measure of center is the most appropriate for the given data?

• Mode

• Median

• Range

• Mean

How many girls cannot bike to school?

• 14

• 10

• 19

• 9

The manager of a music store surveyed a random sample of customer who shop in the store about their favorite type of music. The table shows the number of customers who selected each type of music. Based on the information in the table, which inference about the favorite type of music of all the customers who shop in the music store appears to be valid?

• They are certain to select rock or pop music.

• They are less likely to select country or rap music than rock music.

• They are more likely to select country music than jazz, classical, or rap music.

• They are certain to select any type of music other than jazz music.

The manager of a music store surveyed a random sample of customer who shop in the store about their favorite type of music. The table shows the number of customers who selected each type of music. Based on the information in the table, which inference about the favorite type of music of all the customers who shop in the music store appears to be valid?

• They are certain to select rock or pop music.

• They are less likely to select country or rap music than rock music.

• They are more likely to select country music than jazz, classical, or rap music.

• They are certain to select any type of music other than jazz music.

The table shows the results of a survey of 200 people attending a hockey game.
The attendance for the hockey game is about 25,000 visitors each game.  Based on the table, how many people out of 25,000 could be expected to buy a pennant?

• 1,375

• 1,650

• 2,750

• 3,850

What is the relative frequency (to the nearest percent) of boys among those who cannot bike to school? 

• 4%

• 14%

• 13%

• 29%

How many people purchased no food and no drink?

• 60

• 10

• 20

• 200

What is the relative frequency for selecting a teen given that the person likes chocolate?

• .112

• .267

• .164

• .056