CCSS.Math.Content.7.SP.A.2

Ana wants to know the average student’s opinion of the tardy policy at her school. Which group of students should she survey in order to achieve the most accurate results?

• thirty students who are often tardy
• thirty students who are rarely tardy
• thirty of her friends
• thirty randomly selected students from her school

Tags

CCSS.Math.Content.7.SP.A.1

CCSS.Math.Content.7.SP.A.2

Ana wants to know the average student’s opinion of the tardy policy at her school. Which group of students should she survey in order to achieve the most accurate results?

• thirty students who are often tardy
• thirty students who are rarely tardy
• thirty of her friends
• thirty randomly selected students from her school

Tags

CCSS.Math.Content.7.SP.A.1

CCSS.Math.Content.7.SP.A.2

Tia generated a list of random numbers to simulate an experiment based on the waiting times at a supermarket checkout line.  The number 1 represents waiting in line less than 5 minutes and the number 2 represents waiting in line 5 minutes or more:
1, 1, 1, 1, 2, 1, 1, 1, 2, 1, 2, 2, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 2, 2, 1
Which conclusion can Tia most reasonably draw from the simulation?

• A person is likely to wait in line less than 5 minutes 14% of the time
• A person is likely to wait in line 5 minutes of more 11% of the time
• A person is likely to wait in line less than 5 minutes more than 50% of the time
• A person is likely to wait in line 5 minutes or more 50% of the time

Tags

CCSS.Math.Content.7.SP.A.1

CCSS.Math.Content.7.SP.A.2

An investigation of the opinions or experience of a group of people, based on a series of questions. 

• Statistics
• Survey
• Histogram
• Data

Tags

CCSS.Math.Content.7.SP.A.2

Shannon has a bag of jelly beans. She removed one jelly bean, recording the color, and then replaced it. She repeated the process several times and record her results in the table. What is the experimental probability of her selecting a red jelly bean?

• 11/33

• 1/3

• 1/4

• 18/26

Tags

CCSS.Math.Content.7.SP.A.2

A group of students were asked about their favorite foods. Out of the 50 students surveyed, 30 listed pizza among their favorite foods. At that rate, if 190 students were surveyed, how many would you expect to list pizza as a favorite food?

• 114
• 55
• 48
• 168

Tags

CCSS.Math.Content.7.SP.A.2

A question that anticipates and accounts for a variety of answers.

• Statistical Question
• Range
• Mean
• Box Plot

Tags

CCSS.Math.Content.7.SP.A.1

CCSS.Math.Content.7.SP.A.2

How many people watched more than 6 hours of TV?

• 10
• 5
• 20
• 17

Tags

CCSS.Math.Content.7.SP.A.1

CCSS.Math.Content.7.SP.A.2

A travel club has 3,000 members.  A random sample of 50 of the club members found that 12 people like mountain vacations best.  Which statement is NOT supported by the sample data? 

• Twenty-four percent of those sampled say they like mountain vacations best.  
• An estimated 720 club members would likely say they enjoy mountain vacations best. 
• Almost one-quarter of club members would likely say they enjoy mountain vacations best. 
• More than 2,500 club members would likely say they prefer other vacations over mountain vacations. 

Tags

CCSS.Math.Content.7.SP.A.2

According to a random telephone survey, 85% of all working adults in the U.S. are satisfied with their current job. If I asked 500 adults, how many do you predict would be satisfied with their current job?

• 85 adults
• 340 adults
• 500 adults
• 425 adults

Tags

CCSS.Math.Content.7.SP.A.1

CCSS.Math.Content.7.SP.A.2