Free Printable UNIT 1 - SAMPLE AND POPULATION

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UNIT 1 - SAMPLE AND POPULATION

Total questions: 15

Worksheet time: 1hrs 15mins

Name

Class

Date

_______ is the entire group of objects or individuals considered for a survey.

Sample

Population

Random Sample

Quartile

The part of the population being studied

population

sample

random

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?

Biased

Unbiased

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

All teachers in the world.

All teachers within the school.

All mathematics teachers in the school.

All teachers except mathematics teachers.

2. When a sample does not accurately represent the population it is a:

A. Unbiased sample

B. Biased sample

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

A. Biased

B. Unbiased

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

A. Biased

B. Unbiased

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

Biased

Unbiased

11. Larger random sample sizes are more representative of a population.

A. True

B. False

10.

Population or Sample?

Every fifth customer exiting a restaurant is surveyed on how well they liked the food.

Population

Sample

11.

Population or Sample?

All of the teachers in a school are surveyed on their meeting time preferences.

Population

Sample

12.

Population or Sample?

The average weight of every person entering the mall within 3 hour period was 146 lb.

Population

Sample

13.

Population or Sample?

A survey of 1353 American households found that 18% of the households own a computer.

Population

Sample

14.

A researcher wants to know the average height of students in a university. They measure the height of students in one specific class. Is this sample likely to be biased or unbiased?

Biased

Unbiased

15.

A survey is conducted to find out the favorite ice cream flavor among children in a city. The survey is only conducted in one school. Is this sample likely to be biased or unbiased?

Biased

Unbiased

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UNIT 1 - SAMPLE AND POPULATION

Total questions: 15

Worksheet time: 1hrs 15mins

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