7th Ch 9 Data & Stats Test Review

The 7th grade class participated in the following fitness challenges. If there are 250 students total, how many participated in weight lifting?

• 20

• 8

• 80

What is the median of the data?

• 150

• 140

• 100

• 90

• 40

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

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.(multiple answers are correct)

• 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.

Tags

CCSS.2.MD.D.9

25 sixth-graders were asked to estimate how many hours a week they spend talking on the phone. This dot plot represents their responses.

What percentage of students reported talking on the phone for 3 hours?

• 0%

• 4%

• 8%

• 12%

• 40%

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

How many songs are at least 3.5 minutes long?

• 1

• 3

• 4

• 10

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

Which car club has the higher median?

• Cruisers
• Car Hops

Tags

CCSS.HSS.ID.A.3

If 70 girls participated in track, then how many students are in the girl's athletics program?

Which of the following statements best describes the data?

• More people like Drama and SciFi than they do Romance.

• Comedy and SciFi account for 50% of the total movies.

• Action and Romance account for more than 50% of the total movies.

• Action movies are liked 4 times more than Drama movies.

Tags

CCSS.2.MD.D.10

The number of patients at a doctors office is tracked over a period of 10 days. Which statement best

supports the data?

• The data for Dr. Amine’s office is more

  symmetrical than the data for Dr. Harris’s office.

• The interquartile range of the two offices is the

  same.

• The median number of patients at Dr. Harris’s

  office is less than the median number of patients

  at Dr. Amine’s office.

• The range of the data for Dr. Harris’s office is less

  than the range of the data for Dr. Amine’s office.

Sixty students in the freshman class completed a survey about their favorite pet. The results are shown in the bar graph below. Based on the data, which of the following statements is not true?

• Dogs were the most preferred pet.

• The number of freshmen who prefer cats, hamsters,

  and fish is more than those who prefer dogs.

• One-fourth of the freshmen surveyed prefer hamsters.

• The number of freshmen who prefer fish and hamsters is

  the same as those who prefer dogs.

Tags

CCSS.3.MD.B.3