Amattress store boasts 4 out 5 sleepers in a commercial that airs locally. i talked to the owner and found out he only talked to ten people. this situation is and example of what?
a. regressive
b stratified
c variation
d replication
e blocking

b) Stratified

Step-by-step explanation:

Given: A mattress store boasts 4 out 5 sleepers in a commercial that airs locally. I talked to the owner and found out he only talked to ten people.

This is not regressive as regressive got two variables dependent and independent

This is not variation as no variation is explained in the sample

This is not replication, as replication involves repitition of experiments a number of times.

This is not blocking because nothing is blocked in this

So this comes under

b) Stratified

2.83941151 would be the answer you're looking for! : )

answer: c

because if you look at the chart you can see a pattern and compare it to the question he simplify out your

but i think the formula is f(x)=6x