Quiz about Bias and Valid Statements

Question 1

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

Accepted Answer

Biased

Answer

Unbiased

Question 2

A homeowner divides their backyard into 5 sections, and randomly removes soil from sections.

Accepted Answer

Unbiased

Answer

Biased

Question 3

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

Accepted Answer

Biased

Answer

Unbiased

Question 4

A company makes DVDs and randomly selects 25 from 1500 to test them to see if they work.

Accepted Answer

Unbiased

Answer

Biased

Question 5

The first 100 people at the park Thursday were asked if dogs should be off leashes in the park.

Accepted Answer

Unbiased

Answer

Biased

Question 6

To see who has a computer at home the front office chooses 10 students randomly per grade to ask

Accepted Answer

Unbiased

Answer

Biased

Question 7

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

Accepted Answer

Unbiased

Answer

Biased

Question 8

The owners of a music store asked 10 people who wanted help which new CD they liked best.

Accepted Answer

Biased

Answer

Unbiased

Question 9

A radio hosts wants to know where his listeners go for vacation.  He takes 10 phone calls

Accepted Answer

Unbiased

Answer

Biased

Question 10

A senator wants to how she is doing.  She sends a survey to 1000 registered voters in her party

Accepted Answer

Biased

Answer

Unbiased

Question 11

Should more money be put into athletic programs or music programs at school?  Ask:  students in the band program.

Accepted Answer

Biased

Answer

Unbiased

Question 12

Ask:  Are you willing to deal with noise, heavy increases in traffic where you live just so another unnecessary mall can be built?

Accepted Answer

Biased

Answer

Unbiased

Question 13

The manager of an apartment building asked people from the lower floor of building B if they think noise is a problem.

Accepted Answer

Biased

Answer

Unbiased

Question 14

The lifeguard of a water park wants to determine which water rides are enjoyed the most so he asks every tenth person who leaves the park to list his or her three favorite rides.

Accepted Answer

Unbiased

Answer

Biased

Question 15

What is your favorite soft drink?  Survey: picking names out of a telephone book.

Accepted Answer

Unbiased

Answer

Biased

Question 16

A nurse wants to know the average height of all 8th graders that attend the middle school where she works so she measures the height of all the basketball players.

Accepted Answer

Biased

Answer

Unbiased

Question 17

What is your favorite sport?  Ask:  people attending a soccer game

Accepted Answer

Biased

Answer

Unbiased

Question 18

Are you willing to pay higher taxes so that the city can build a new stadium?

Accepted Answer

Biased

Answer

Unbiased

Question 19

Would you prefer to take a long, difficult essay test or a quick, simple multiple choice test?

Accepted Answer

Biased

Answer

Unbiased

Question 20

What is your favorite vacation destination?  Ask:  Every student in class.

Accepted Answer

Unbiased

Answer

Biased

Question 21

Valid or invalid?: Mr. Bowker wants to know how many students like sports so he randomly surveys 20 football players and 10 volleyball players. Of the 30 students surveyed, 100% like sports.

Accepted Answer

Invalid

Answer

Valid

Question 22

Valid or invalid?: AJ asks her friends, "Hey, how many of you want to go eat at Antonio's? I'm buying!" 97% of her friends said yes. She concludes that most of her friends like pizza.

Accepted Answer

Invalid

Answer

Valid

Question 23

Valid or invalid?: Alyssa asks every Avalon High School student if they like the mascot "Lancers." 73% said yes, 10% said they don't care, and 17% said no.

Accepted Answer

Valid

Answer

Invalid

Question 24

Valid or invalid?: Jesus wants to prove to Mr. Bowker that most people dislike math. He asks every third person who exits Vons whether or not they like math. 29% said they LOVE math.

Accepted Answer

Valid

Answer

Invalid

Question 25

Valid or invalid?: Paul and Jimmy ask every softball, football and soccer player if they would like astroturf on Joe Machado field. 100% said yes. They conclude that everyone loves astroturf.

Accepted Answer

Invalid

Answer

Valid

Bias and Valid Statements

25 questions

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

A homeowner divides their backyard into 5 sections, and randomly removes soil from sections.

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

A company makes DVDs and randomly selects 25 from 1500 to test them to see if they work.

The first 100 people at the park Thursday were asked if dogs should be off leashes in the park.

To see who has a computer at home the front office chooses 10 students randomly per grade to ask

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

The owners of a music store asked 10 people who wanted help which new CD they liked best.

A radio hosts wants to know where his listeners go for vacation. He takes 10 phone calls

A senator wants to how she is doing. She sends a survey to 1000 registered voters in her party

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