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Random Versus Biased Statistical Questioning

Total questions: 20

Worksheet time: 56mins

Name
Class
Date
1.

Brady wants to know the favorite sport of adults in his hometown. He surveys 50 adults at a baseball game.

a)

biased

b)

random

2.

Ariana wants to know the favorite type of music for students in her class. She puts the names of all the students in a hat, draws 8 names, and surveys those students.

a)

biased

b)

random

3.

In Letcher County, residents were surveyed about a new skateboard park.

Would you like to waste the taxpayers' money to build a frivolous skateboard park?

a)

biased

b)

random

4.

In Letcher County, residents were surveyed about a new skateboard park.

Do you favor a new skateboard park?

a)

biased

b)

random

5.

For a survey, a company manager assigned a number to each of the company's 500 employees, and put the numbers in a bag. The manager chose 20 numbers and surveyed the employees with those numbers.

a)

biased

b)

random

6.

When it comes to pets, do you prefer dogs?

a)

biased

b)

random

7.

What is your favorite season?

a)

biased

b)

random

8.

Jacob decides to use a sample to determine his classmates' favorite color. He asks, " Is green your favorite color?"

a)

biased

b)

random

9.

Hanna wants to find out the favorite foods of students at her middle school. She asks the boys' basketball team about their favorite foods.

a)

biased

b)

random

10.

Scott wants to know what elective subjects the students at his school like best. He surveys students who are leaving band class.

a)

biased

b)

random

11.

To choose a sample for a survey of seventh graders, the student council puts pieces of paper with the names of all seventh graders in bag, and selects 30 names.

a)

biased

b)

random

12.

Isaiah wants to find out what sport seventh grade boys like most. He asks boys, " Is basketball your favorite sport?"

a)

biased

b)

random

13.

You want to know what seventh graders think of their science class. You poll every 5th seventh grader that enters the school.

a)

biased

b)

random

14.

Do you eat the recommended number of servings of fruits and vegetables?

a)

biased

b)

random

15.

Do you want a delicious salad for lunch or the usual sandwich?

a)

biased

b)

random

16.

A country music station wants to know what is the most popular type of music. They ask their listeners to call in and vote.

a)

biased

b)

random

17.

You survey customers at a mall. You want to know which stores they shop at the most. You walk around a computer shop and choose 20 customers there for the survey.

a)

biased

b)

random

18.

A college surveys every 4th female and every 5th male. They ask each student their opinion about elective class options.

a)

biased

b)

random

19.

25% of the 7th grade class, 30% of the 8th grade class, and 40% of the 6th grade class are asked to decide what sport they like the best.

a)

biased

b)

random

20.

In a bakery, the first 10 doughnuts of every batch are inspected for food quality. Each batch contains 1000 doughnuts.

a)

biased

b)

random