Determine whether the samples are independent or dependent. To test the effectiveness of a drug. cholesterol levels are measured in 160 men before and after the treatment Choose the correct answer below A. The samples are independent because there is a natural pairing between the two samples. B. The samples are dependent because there is not a natural pairing between the two samples. C. The samples are independent because there is not a natural pairing between the two samples D. The samples are dependent because there is a natural pairing between the two samples
