Consider the students in your statistics class as the population and suppose they are seated in four rows of 10 students each. To select a sample, toss a coin. If it comes up heads, you use the 20 students sitting in the first two rows as your sample. If it comes up tails, you use the 20 students sitting in the last two rows as your sample.

(a) Does every student have an equal chance of being selected for the sample? Explain (Pick one).

Answers:

Yes, your seating location and the randomized coin flip ensure equal chances of being selected.

No, your seating location does not ensure an equal chance of being selected.

No, the coin flip does not ensure an equal chance of being selected.

Yes, your seating location ensures an equal chance of being selected.