14.Using the data below and a 0.1 significance level, test the claim that the mean amount of tar in filtered cigarettes is less than the mean amount of tar in unfiltered cigarettes. All measurements are in milligrams.

Filtered 16 17 14 15 17 1 17 20 9 12 14

11 15 11 14 12 17 18 6 17 12

Unfiltered 23 23 23 25 24 23 20 21

Is there sufficient evidence to support the claim that the mean amount of tar in filtered cigarettes is less than the mean amount of tar in unfiltered cigarettes? Show your work.

A. Yes, because the null hypothesis is not rejected.

B. Yes, because the null hypothesis is rejected.

C. No, because the null hypothesis is rejected.

D. No, because the null hypothesis is not rejected