Populations and Sampling Answers

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Traverion wants to find the answer to the question “How much money does the average college professor make?” He surveys 50 professors from the university in his hometown. Which best describes whether or not the results of his survey would represent the responses from the entire population of college professors?

A
The results do not represent the population because not all college professors actually responded.
B
The results do not represent the population because the sample does not represent professors from different areas.
C
The results represent the population because the sample contained college professors and the population is college professors.
D
The results represent the population because he sampled a large number of professors.
4

A survey is targeted at 12-year-old children. Which questions are appropriate for the population? Select two options.

A
What year did you graduate high school?
B
What color was your first car?
C
Where is your favorite vacation spot?
D
What is the last book you read?
E
Should taxes be increased to fund a new park?
5

Amalie wants to know if students in her class prefer hot dogs or hamburgers. Why should Amalie survey the entire population rather than a sample of the population?

A
The population of the students in the classroom accurately represents the population of the whole school.
B
The sample would contain people that are not part of the population.
C
The population is small enough to survey the entire group.
D
The sample would be larger than the population.
6

A dance student wants to know the favorite type of dance class for students at The Dance Academy. She surveys each student in her ballet class. In which way could the results of her survey be most improved?

A
She could sample an equal number of students in each type of dance class.
B
She could sample a proportional number of students in each type of dance class.
C
She could sample one student in each type of dance class.
D
She could sample one teacher from each type of dance class.
7

A teacher needs to find out how many seventh-grade students will be going on a field trip. Which best describes the population that the teacher should survey?

A
the parents of all the students in the school
B
the parents of the seventh-grade students
C
each teacher in the school
D
each student in the school
8

Zander wants to find out what the most popular sporting event is in the district’s high schools. He surveys a sample of the population. Under which condition is surveying a sample valid?

A
The population is small.
B
The population contains a large diverse group of people.
C
There are many different possible answers to the question.
D
There are some people in the population that do not like sports.
9

A seventh-grade teacher asks her students a survey question. Which questions are appropriate for the teacher to ask her population? Select three options.

A
What type of car do you drive?
B
How many hours of sleep do you get per night?
C
On average, how long does it take you to complete your homework?
D
What time do you leave for school in the morning?
E
Who did you vote for in the last presidential election?
10

A landscaper wants to find the answer to the question “How much time do people in Raleigh, North Carolina, spend doing yard work in one week?” He asks the owners of all 120 houses in a Raleigh neighborhood. Which best describes the accuracy of the results of the survey?

A
The survey results will be inaccurate because lawns in one neighborhood do not represent all types of lawns in a large city.
B
The survey results will be inaccurate because the entire population of Raleigh should have been surveyed.
C
The survey results will be accurate because the sample represents the population and the population is the target of the survey.
D
The survey results will be accurate because the sample size was large enough to represent the population.

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Populations and Sampling Answers — CR02201A…