Determine whether the samples are independent or dependent. To test the effectiveness of a drug comma cholesterol levels are measured in 210 men and 210 women 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 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 not a natural pairing between the two samples.

C. The samples are independent because there is not a natural pairing between the two samples.

Step-by-step explanation:

Independent samples are stand-alone samples.  Their values do not give information about other values in another samples. They cannot be altered. Examples: To test the effectiveness of a particular drug in managing diabetes, a group of people is placed on the active drug. Another group is placed on a placebo. The two samples are independent because their values are taken from two different set of groups or people.

But a dependent sample is usually taken from the same group to test for the effectiveness of a drug before and after treatment.  

y= 2x+7

changed to y= 5x +7

as slope is increased from 2 to 5

therefore it would be less steeper

so, option d) is correct

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