Question

a) five random students in each homeroom 1 point 3. a high school is conducting a survey to see how many students have part - time jobs. determine whether the samples are biased or unbiased. explain. bias unbias b) every 10 student that enters a school football game 1 point 3. a high school is conducting a survey to see how many students have part - time jobs. determine whether the samples are biased or unbiased. explain. bias unbias c) 100 random students in the school parking lot * 1 point 3. a high school is conducting a survey to see how many students have part - time jobs. determine whether the samples are biased or unbiased. explain. bias unbias

Explanation:

a) This sampling method selects a fixed random number of students from each homeroom, which represents all segments of the student body proportionally, so it is unbiased.
b) This sampling only targets students attending football games, which excludes students who do not attend these events, leading to a non-representative sample, so it is biased.
c) This sampling only targets students in the parking lot, which excludes students who do not drive or use the parking lot, leading to a non-representative sample, so it is biased.

Answer:

a) Unbias
b) Bias
c) Bias