Bar Graphs and Population Inferences

What is the population?

• All students at Commodore

• All students in section 702

• The 10 students Mr. Cardarella picks

• All students in 7th grade

100 second graders were asked to do a book report about one of these four zoo animals.  The number of students who chose each animal is shown in the table.  If 250 second graders had to choose of of the four animals, predict how many would choose to write about a giraffe.

• 60 students

• 50 students

• 40 students

• 30 students

150 people were polled on their favorite sport.  Based on the table, if you asked only 25 people what their favorite sport is, how many would say soccer is their favorite sport?

• 5 people

• 6 people

• 8 people

• 10 people

Tags

CCSS.7.RP.A.3

• 2

• 4

• 8

• 16

The bar graph shows the numbers of boys and girls in each grade level. Which statement is supported by the information in the graph? Choose 2 correct answers.

• The number of girls was greater in class 6 than the number of boys in class 8.

• The number of girls in class 2 is twice the number of boys in class 5.

• The number of boys in class 5 is the same as the number of boys in class 9.

• The number of boys in class 6 is twice the number of boys in call 9

Tags

CCSS.7.RP.A.2C

The bar graph shows the numbers of boys and girls in each grade level. Which statement is supported by the information in the graph? Choose 2 correct answers.

• The number of girls was greater in class 6 than the number of boys in class 8.

• The number of girls in class 2 is twice the number of boys in class 5.

• The number of boys in class 5 is the same as the number of boys in class 9.

• The number of boys in class 6 is twice the number of boys in call 9

Boys like Rap music more than all other genres combined

• True

• False

Petunia conducted a random survey of students to determine the favorite genre of music of 50 students. The results are shown in the bar graph. Based on the information in the graph, which inference about the students is valid?

• Girls like country music more than boys like rap music

• More girls than boys like rock music

• Boys like country music more than rock music

• Boys like rock music more than girls like rap music

Tags

inferences

bar graph

teks 7.12C

Boys like Rap music more than all other genres combined

• True

• False

More boys than girls like Rock music

• True

• False