Quiz about UNIT 16-Lesson 3: Populations and Samples

Question 1

The entire group studied.

Accepted Answer

population

Answer

sample

Question 2

The part of the population being studied

Accepted Answer

sample

Answer

population

Answer

random

Question 3

A sample that is by chance.

Accepted Answer

random sample

Answer

stratified sample

Answer

systematic sample

Question 4

A sample that follows a rule, formula, or pattern.

Accepted Answer

systematic sample

Answer

random sample

Answer

stratified sample

Question 5

A sample chosen at random form a randomly chosen subgroup or subgroups.

Accepted Answer

stratified sample

Answer

random sample

Answer

systematic sample

Question 6

What would be the population in this example?

Surveyors in a mall choose shoppers to ask about products they prefer.

Accepted Answer

all shoppers in the mall

Answer

the surveyors

Answer

the shoppers who were asked their preferences

Question 7

What would be the sample in this example?

Surveyors in a mall choose shoppers to ask about products they prefer.

Accepted Answer

the shoppers who were asked their preferences

Answer

the surveyors

Answer

all shoppers in the mall

Question 8

Identify the sampling.

Every tenth student on the list was chosen to participate in the survey.

Accepted Answer

systematic sampling

Answer

random sampling

Answer

stratified sampling

Question 9

Identify the type of sampling.

Seat numbers are chosen from a hat to identify passengers on an airplane who will be surveyed.

Accepted Answer

random sampling

Answer

systematic sampling

Answer

stratified sampling

Question 10

Identify the sampling.

One hundred shoppers are chosen by chance from four randomly chosen computer stores.

Accepted Answer

stratified sampling

Answer

random sampling

Answer

systematic sampling

Question 11

The manager of a book store surveys people who buy mystery novels to see if the store should expand its hours.  What is the population?

Accepted Answer

People who visit the bookstore.

Answer

People who buy mystery novels.

Answer

Residents of the town

Answer

People who like to read.

Question 12

A student surveys mathematics teachers to get their opinion on teaching. What is the sample?

Accepted Answer

All mathematics teachers in the school.

Answer

All teachers in the world.

Answer

All teachers within the school.

Answer

All teachers except mathematics teachers.

Question 13

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

Accepted Answer

Customers of the store.

Answer

Customers who purchased laptop computers.

Answer

Customers who are interested in software.

Answer

Computer manufacturers

Question 14

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

Accepted Answer

Customers of the store.

Answer

Customers who purchased laptop computers.

Answer

Customers who are interested in software.

Answer

Computer manufacturers

Question 15

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.

Accepted Answer

Jazz Club members

Answer

People who play instruments.

Answer

All music store customers except Jazz Club members.

Answer

All music store customers

Question 16

A scientist studies a herd of mule deer to learn about their dietary habits. Identify the population.

Accepted Answer

Deer

Answer

All animals

Answer

Mule deer

Answer

Mules

Question 17

A U.S. senator from Maine wants to find out the opinion of the voters in his state on issues concerning education. The office of the senator sends out a survey to a random sample of registered voters in Maine. Is this random sampling?

Accepted Answer

Yes

Answer

No

Question 18

A new cable TV station wants to study the viewing habits of households. The station surveys every household that purchased a new TV within the last 2 years in New York. Is this random sampling?

Accepted Answer

No

Answer

Yes

Question 19

Kim surveys 100 moviegoers that entered the movie theater in the first hour. What type of sampling method is this?

Accepted Answer

Convenience

Answer

Random

Answer

Biased

Question 20

Tom surveys 40 moviegoers by randomly choosing their names. What type of sampling method is this?

Accepted Answer

Random

Answer

Convenience

Answer

Biased

Question 21

A teacher decides to survey the students in her classes to find out their opinion on the new menu in the cafeteria.  Is this biased or unbiased?

Accepted Answer

Unbiased

Answer

Biased

Question 22

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?

Accepted Answer

The sample didn't include students.

Answer

The sample is too small.

Answer

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

Question 23

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?

Accepted Answer

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

Answer

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

Answer

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

Answer

to ask the student council to choose a location

Question 24

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?

Accepted Answer

The students will be selected from the choir

Answer

The students will be selected randomly throughout the school

Answer

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

Answer

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

Question 25

Which scenario would produce the least biased results?

Accepted Answer

asking athletes at a gym what their favorite television show is

Answer

asking shoppers at a store where their favorite place to shop is

Answer

asking fans at a baseball game who their favorite baseball team is

Answer

asking students in a college library what their favorite college sports team is

Question 26

The TV station wants to get the opinion of viewers on the look of a new game-show set. The station's staff calls random people in the phone book. Is this biased or unbiased?

Accepted Answer

Unbiased

Answer

Biased

Question 27

A teacher wants to know the average time spent doing homework by the students in her class of 20 girls and 5 boys.

She selects the five closest to her desk.

Accepted Answer

Convenience

Answer

simple random

Answer

representative

Answer

Systematic

Question 28

The manager of a book store surveys people who buy mystery novels to see if the store should expand its hours. What is the population?

Accepted Answer

People who visit the bookstore.

Answer

People who buy mystery novels.

Answer

Residents of the town

Answer

People who like to read.

Question 29

Identify the sampling.

Every tenth student on the list was chosen to participate in the survey.

Accepted Answer

systematic sampling

Answer

random sampling

Answer

stratified sampling

Question 30

What is the sample and population?

Number of McDonald's in a 25 miles²area of Maui...

Accepted Answer

Population: 25 miles²of Maui

Sample: Number of McDonald's

Answer

Population: Number of McDonald's

Sample: 25 miles²of Maui

Answer

Population: 25 miles²

Sample: Maui

Answer

Population: Maui

Sample: Number of McDonald's

Question 31

You want to know how many students catch the bus to go home. You go to the bus stop and ask students how they go home from school. Is this a random sample or biased sample?

Accepted Answer

BIASED

Answer

RANDOM

Question 32

You want to know what your grandma's favorite flower is so you ask her if she likes roses. Is you question biased or fair?

Accepted Answer

BIASED

Answer

FAIR

Question 33

What is the sample and population?

Number of students that ride the bus at Iao School

Accepted Answer

Sample: Number of students that ride the bus

Population: Iao School students

Answer

Sample: Iao School Students

Population: Students that ride the bus

Answer

Sample: Iao School Students

Population: Students on Maui

Answer

Sample: Students who rie the Bus

Population: Students on Maui

Question 34

You want to know students favorite elective so you create a list of all students and ask every fifth person on that list, "what is your favorite elective?"

Is this a biased or random sampling"

Accepted Answer

Random

Answer

Biased

Question 35

You want to know your classmates' favorite food so you ask them, "Do you like ice cream?"

Is this question fair or biased?

Accepted Answer

BIASED

Answer

FAIR

Question 36

Assign each car in a dealership a number and then use a random-number table to select the cars to be inspected.

Accepted Answer

random sample

Answer

systematic

Answer

convenience

Answer

biased sampling

Question 37

Marianne wanted to know students' opinion on the new schedule at school. She places students' names in a container and randomly picks out 20 names.

Accepted Answer

Random Sampling

Answer

Convenience Sampling

Answer

Systematic Sampling

Answer

Volunteer response

Question 38

Disneyland often surveys its guests as they exit a restaurant during their visit. The surveyor stands at the restaurant exit, counts the number of people leaving, and surveys every 25th guest.

This is a form of:

Accepted Answer

Systematic Sampling

Answer

Random Sample

Answer

Convenience Sampling

Answer

Voluntary Response

Question 39

Elise, a supermarket employee, approached 50 random customers and asked whether they would be willing to discuss what they like most about the store. She interviewed the 22 who said yes. Is this sample of the supermarket's customers likely to be biased?

Accepted Answer

yes

Answer

no

Question 40

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?

Accepted Answer

The sample didn't include students.

Answer

The sample is too small.

Answer

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

Question 41

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?

Accepted Answer

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

Answer

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

Answer

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

Answer

to ask the student council to choose a location

Question 42

A researcher was interested in the effectiveness of a given learning program geared toward high school juniors. 100 high school juniors from five different schools were used for the study. What is the population of interest?

Accepted Answer

high school juniors

Answer

5 different high schools

Answer

high school students

Answer

100 high school juniors from 5 different high schools

Question 43

A researcher was interested in the effectiveness of a given learning program geared toward high school juniors. 100 high school juniors from five different schools were used for the study. What is the sample?

Accepted Answer

100 juniors selected from five different schools

Answer

5 different high school

Answer

high school students

Answer

high school juniors

Question 44

A researcher was interested in the effectiveness training program in preparing football players for a new play-memorizing system. 50 randomly selected football players from 6 states participated in the training program. What is the sample?

Accepted Answer

50 selected football players

Answer

all sport athletes

Answer

football players in 6 states

Answer

all football players

Question 45

Marco is conducting an experiment on training certain breeds of dogs. He wants to know how long, on average, it would take to teach a Labrador to fetch an object. He gets a group of 5 Labradors. What is the population in this experiment?

Accepted Answer

all Labradors

Answer

the 5 Labradors that Marco trained

Answer

the 8 dogs that Marco trained

Answer

all dogs

Question 46

A researcher was interested in the effectiveness training program in preparing football players for a new play-memorizing system. 50 randomly selected football players from 6 states participated in the training program. What is the population of interest?

Accepted Answer

all football players

Answer

50 selected football players

Answer

all sports athletes

Answer

6 states

Question 47

A gaming website wanted to find out which console its visitors owned. Which choice best represents a representative sample?

Accepted Answer

Visitors with an 'e' in their user name

Answer

Visitors over 16

Answer

Visitors to the 3DS section

Answer

All of the website visitors

Question 48

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

Accepted Answer

All of the website visitors

Answer

Visitors to eh Playstation section

Answer

Visitors who are over 21

Answer

Visitors who are on the website for over 5 minutes

Question 49

A beverage company wanted to see if people in the United States liked their new logo. Which choice best represents the population of interest?

Accepted Answer

Every person in the United States

Answer

A selection of logo artists

Answer

A selection of shoppers who buy the be company beverages

Answer

3,800 children age 5 - 15

Question 50

A beverage company wanted to see if people in the United States liked their new logo. Which choice best represents a representative sample?

Accepted Answer

A selection of shoppers from different states

Answer

5,000 shoppers ages 25 - 40

Answer

All people who have ever purchased from the beverage company

Answer

A selection of logo artists

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