Question

which of these is an example of a non-random sample?

Answer 1

A cereal company surveys their employees about breakfast food preference.

A farmer is choosing grains of wheat from a field to test for a new flavor of cereal.

A cereal company puts a winning ticket in one box of cereal out of 100,000 boxes.

Ten college students at a college, population 50,000, are chosen to taste test a new cereal.

Answer 2

Well which one do you think it is?

Answer 3

either a or b

Answer 4

Yep, you're on the right track. But the difference is that in A the company chooses which employees they survey, whereas the farmer in B will choose random grains from the field.

Answer 5

Now that you know that, which one do you think it is?

Answer 6

so the answer is a?

Answer 7

Yep

Answer 8

thank you