Marcos wants to find out how many students at his school like to go to the movies. Which survey method is likely to produce a representative survey?

Ask the 25 students in his homeroom class.

Ask the boys in the boys locker room.

Ask students coming out of a movie theater.

Ask half of the 34 students on the soccer team.

A computer manufacturer surveys its customers who purchased laptop computers to ask what software the company should include with its computer. Identify the population.

Customers who purchased laptop computers.

Customers who are interested in software.

representative of the population

representative of only middle school students only

representative of people who volunteer

To investigate whether standing up while studying affects performance in an algebra class, a teacher assigns half of the 30 students in his class to stand up while studying and assigns the other half to not stand up while studying. Which of the following best describes this plan?

This is a stratified random sample

Is diet or exercise effective in combating insomnia? Some believe that cutting out desserts can help alleviate the problem, while others recommend exercise. Forty volunteers suffering from insomnia agreed to participate in a month-long experiment. Half were randomly assigned to a special no-desserts diet; the others continued desserts as usual. Half of the people in each of these groups were randomly assigned to an exercise program, while the others did not exercise. Those who ate no desserts and engaged in exercise showed the most improvement. What will be the treatment group ?

20 people who were not allowed to eat desserts and had to exercise

20 people who continued to eat their desserts and not exericise

A professor is studying the effects of eating a breakfast high in sugar on student's test scores in his morning classes. He randomly selects 20 students to get a high sugar breakfast while the other students eat the way they regularly eat. He then compares the test scores of the two groups. What will be the Control Group?

students who eat regular breakfast

students who eat a high sugar breakfast

Which of the following is the best definition of a simple random sample?

A sample where each possible sample of the given size has an equal chance of being selected.

A sample created using random numbers.

A sample where the simplest method of sampling is used.

A sample where each member of the population is surveyed.

A sample that is representative of the population.

A company director wants to find out the views of all her employees. She chooses 20 people from those at work on Monday morning and sends them an online questionnaire to complete. Define the population in this situation.

The population is all the director’s employees.

Those in work on Monday morning

Mr Smith wants to create a systematic random sample of 10 houses from a street of 120 houses. Explain how he could do this.

Select the first house randomly then every 12th after that

Select house number 1 then every 12th after that.

Why do we randomly select our samples?

so we don't get the same answers from everyone

to eliminate confounding results

Sampling Statistics

Authored by billy ratliff

Mathematics

11th - 12th Grade

CCSS covered

Used 19+ times

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38 questions

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MULTIPLE CHOICE QUESTION

45 sec • 1 pt

1. Carlos wants to know the favorite sport of people at his school so he asks his baseball team.

Biased

Unbiased

Tags

CCSS.7.SP.A.1

CCSS.7.SP.A.2

MULTIPLE CHOICE QUESTION

1 min • 1 pt

2. A homeowner divides their backyard into 5 sections, and randomly removes soil from sections.

Biased

Unbiased

Tags

CCSS.HSS.IC.B.3

CCSS.HSS.IC.A.1

MULTIPLE CHOICE QUESTION

1 min • 1 pt

7. A public library asked every 10th person who entered to name the type of book they were getting

Biased

Unbiased

Tags

CCSS.7.SP.A.1

MULTIPLE CHOICE QUESTION

1 min • 1 pt

3. A hospital wants to open a gym. They ask the night-shift ER staff when they would use the gym.

Biased

Unbiased

MULTIPLE CHOICE QUESTION

1 min • 1 pt

4. A company makes DVDs and randomly selects 25 from 1500 to test them to see if they work.

Biased

Unbiased

MULTIPLE CHOICE QUESTION

1 min • 1 pt

6. To see who has a computer at home the front office chooses 10 students randomly per grade to ask

Biased

Unbiased

Tags

CCSS.6.SP.A.1

CCSS.6.SP.A.2

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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.HSS.IC.B.3

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.4

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Sampling Statistics

1. Carlos wants to know the favorite sport of people at his school so he asks his baseball team.

2. A homeowner divides their backyard into 5 sections, and randomly removes soil from sections.

7. A public library asked every 10th person who entered to name the type of book they were getting

3. A hospital wants to open a gym. They ask the night-shift ER staff when they would use the gym.

4. A company makes DVDs and randomly selects 25 from 1500 to test them to see if they work.

6. To see who has a computer at home the front office chooses 10 students randomly per grade to ask

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?

Marcos wants to find out how many students at his school like to go to the movies. Which survey method is likely to produce a representative survey?

Identify the Sample:
A restaurant wants to know if customers buy dessert when they eat out. As people leave the restaurant one evening, 20 people are surveyed at random. Eight people say they usually order dessert when they eat out. The restaurant concluded that most customers do not order dessert.

What is your favorite soft drink? Ask: picking names out of a telephone book.

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Mathematics

Sampling Statistics

1. Carlos wants to know the favorite sport of people at his school so he asks his baseball team.

2. A homeowner divides their backyard into 5 sections, and randomly removes soil from sections.

7. A public library asked every 10th person who entered to name the type of book they were getting

3. A hospital wants to open a gym. They ask the night-shift ER staff when they would use the gym.

4. A company makes DVDs and randomly selects 25 from 1500 to test them to see if they work.

6. To see who has a computer at home the front office chooses 10 students randomly per grade to ask

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?

Marcos wants to find out how many students at his school like to go to the movies. Which survey method is likely to produce a representative survey?

Identify the Sample:A restaurant wants to know if customers buy dessert when they eat out. As people leave the restaurant one evening, 20 people are surveyed at random. Eight people say they usually order dessert when they eat out. The restaurant concluded that most customers do not order dessert.

What is your favorite soft drink? Ask: picking names out of a telephone book.

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Mathematics

Identify the Sample:
A restaurant wants to know if customers buy dessert when they eat out. As people leave the restaurant one evening, 20 people are surveyed at random. Eight people say they usually order dessert when they eat out. The restaurant concluded that most customers do not order dessert.