Garret wants to find out which restaurant people think serves the best beef brisket in town. What is the population from which Garret should find a sample?

All of the students who attend school.

The residents who each the first restaurants.

A musician wanted to see what people who bought his last album thought about the songs. Which choice best represents a sample?

A selection of 3,294 people who bought the album.

Every person who bought the album.

A selection of people who didn't want to buy the album.

250 girls who bought the album.

Manny wants to know how many students at CTMS enjoy solving math problems. What is the best sampling method?

Ask every 20th student that walks into school

ask for 20 volunteers to discuss whether they enjoy solving math problems

ask the last 20 people to arrive at CTMS

Randomly ask 2 students in the hallway

A school randomly chose ten English teachers and asked them which type of juice their students would prefer. Which reason best shows why this sample is biased?

The sample didn't include students.

The sample can only be accurate if each teacher is included in the sample

At a middle school, the 7th graders will conduct a survey for where to go on a field trip. Which method will result in the least biased decision?

to randomly choose some 7th grade students to select a location

to randomly ask 8th grade students who went on a field trip last year

to ask all 7th grade teachers and administrators for a location

to ask the student council to choose a location

The choir director in a high school wants to know how the students in the school feel about singing. If the director selects 100 girls and 100 boys to complete a survey, which method will result in a biased sample?

The students will be selected from the choir

The students will be selected randomly throughout the school

The students will be selected on Wednesday afternoon before the choir concert

The choir director will select five students from each of the forty homerooms in the school

A state fair had 1,019,887 people in attendance. The fair committee performed a survey. The question was, “What do fairgoers enjoy most about the fair?” Of those who responded, 83% reported eating traditional foods. Which group of people represents the sample group?

Fair goers who responded to the survey

Fair goers who like traditional foods

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 randomly selected students from her school

thirty students who are often tardy

thirty students who are rarely tardy

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.

Mrs. Croix is conducting a survey to find out the favorite snack of fifth and sixth graders. She will ask a sample of 100 students. Which of the groups below should be surveyed to get the BEST representative sample?

20 students from each of the 5 local fifth- and sixth-grade schools

100 students at the movie theater

the first 100 students who go to a local baseball game

5 students from each of the 20 local elementary schools

A factory manufactures light bulbs. The factory currently has 300 boxes of light bulbs in its warehouse. To test the quality of bulbs, Alex decides to take out a sample of bulbs and test them to see if they work. Which surveying method will give him the least valid results?

selecting one box randomly and then selecting all the bulbs from the box

selecting ten boxes randomly, mixing the bulbs of these boxes together and then selecting ten bulbs randomly

selecting ten boxes randomly and then selecting one bulb randomly from each box

selecting one bulb randomly from every tenth box

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.

A music store gives comment cards to all members of its Jazz Club to find out about satisfaction with the club's features. Identify the sample.

All music store customers except Jazz Club members.

random samples and popoulation

Authored by Tina Waters

Mathematics

7th Grade

CCSS covered

Used 9+ times

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34 questions

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MULTIPLE CHOICE QUESTION

2 mins • 1 pt

A radio station in Raleigh, NC wants to know the most popular song of the week. The DJ surveys random listeners who call in throughout the week. What is the population of the DJ’s survey?

all the people in Raleigh, NC

listeners of this radio station

the listeners who call the station

the most popular song of the week

Tags

CCSS.7.SP.A.1

CCSS.7.SP.A.2

MULTIPLE CHOICE QUESTION

1 min • 1 pt

_______ is a part of a group being surveyed.

Sample

Population

Random Sample

Quartile

Tags

CCSS.7.SP.A.1

CCSS.7.SP.A.2

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

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

A. Biased

B. Unbiased

Tags

CCSS.7.SP.A.1

CCSS.7.SP.A.2

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

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

A. Biased

B. Unbiased

Tags

CCSS.7.SP.A.1

CCSS.7.SP.A.2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why do we randomly select our samples?

for control

reduce bias

so we don't get the same answers from everyone

to eliminate confounding results

Tags

CCSS.HSS.IC.B.3

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

A gaming website wanted to find out which console its visitors owned.
Which choice best represents the population?

Visitors to the 3DS section.

All of the website visitors.

Visitors to the PS4 section.

Visitors who are on the website for more than 5 minutes.

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

An entire group of objects - people, animals, plants - from which data can be collected.

population

sample

representative sample

random sample

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random samples and popoulation

A radio station in Raleigh, NC wants to know the most popular song of the week. The DJ surveys random listeners who call in throughout the week. What is the population of the DJ’s survey?

_______ is a part of a group being surveyed.

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

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

Why do we randomly select our samples?

A gaming website wanted to find out which console its visitors owned.Which choice best represents the population?

An entire group of objects - people, animals, plants - from which data can be collected.

A portion of the population that has the same characteristics as the population.

Garret wants to find out which restaurant people think serves the best beef brisket in town. What is the population from which Garret should find a sample?

A musician wanted to see what people who bought his last album thought about the songs.Which choice best represents a sample?

Access all questions and much more by creating a free account

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Discover more resources for Mathematics

A gaming website wanted to find out which console its visitors owned.
Which choice best represents the population?

A musician wanted to see what people who bought his last album thought about the songs.
Which choice best represents a sample?