The Spokesman-Review wants to know the public opinion on the construction of a new library downtown. It is decided that 48 people will be surveyed using a simple random sample. Which of the following will produce a simple random sample?

Question

anonymous · Answer

A) Number the residents using the latest census data, then use a random number generator to pick 48 people.

B) Record the opinion of the first 48 people who visit the newspaper's website.

C) Survey every fourth person who enters the current library until 48 have responded.

D) Randomly select 48 people from the phone book.

E) Randomly select 12 people each from the downtown, south hill, northwest, and hillyard parts of the city.

anonymous · Answer

That is simple and you can decide for yourself. The one that doesn't contain selection bias.

anonymous · Answer

Which one makes more sense to you?.

anonymous · Answer

"simple random sample"

anonymous · Answer

I think it's "c"

anonymous · Answer

A simple random sample of size n is a sample chosen in such a way that every
set of n members of the population has the same chance of being chosen.