Biased vs Unbiased & Sampling Methods

The 5 card hand is the ​ ​ (a)   while the deck of cards is the ​ (b)   .

• sample
• population

The entire state is the​ (a)   while the specific county is the​ (b)   .

• population
• sample

The candy in side the jar is the​ (a)   while the candy outside the jar is the​ (b)   .

• population
• sample

Determine whether the sample is biased or unbiased.

A restaurant would like to evaluate the efficiency of its workers, so they observe the workers during the second shift.

• unbiased
• biased

Determine whether the sample is biased or unbiased.

At the end of the year, a math teacher decides to survey his students to determine what they liked best about his class. He uses his first period class as his sample.

• unbiased
• biased

Determine whether the sample is biased or unbiased.

An airport randomly inspects every 8th suitcase that goes through security.

• unbiased
• biased

Determine whether the sample is biased or unbiased.

Mark would like to determine their exercise habits of students in his school. He surveys people on his track team.

• unbiased
• biased

Determine whether the sample is biased or unbiased.

To determine how many students plan to attend the school musical, Kaitlyn surveys 100 random people in the hallway.

• unbiased
• biased

Determine whether the sample is biased or unbiased.

To track the movement of sharks along the east coast, one shark is chosen at random and tagged.

• unbiased
• biased

Determine whether the sample is biased or unbiased.

To determine how many homes in his neighborhood plan to hand out candy on Halloween, Jack chooses one street at random and surveys each household on that street.

• unbiased
• biased