Question

A razorblade manufacturer wants to test responses to a new blade for heavy beards. What is the best sample for an experiment?

a random sample from all people of all ages
a random sample of men with beards
a random sample of all people who shave
a random sample of men who shave and have a heavy beard

Answer 1

A

Explanation:

Answer 2

The right answer would be A random sample of men who shave andn have heavy beard because the person should like to shave because you shouldn't force them to try it. They also need to have a heavy beard because the manufacturer is creating a razor blade for men with heavy beards. Hope this helps.