Please help!!! WILL MARK BRAINLIEST ANSWER!!! A medical researcher designs a study that will investigate the effects of a
new drug on lowering patient's cholesterol level. The researcher randomly
selects participants for two groups. One group is given the new drug and the other group is given a placebo. Any person, within driving distance of the hospital, is allowed to participate and will be given a monetary compensation. Each sample consists of 5 patients. Select all weaknesses in the design.
![Please help WILL MARK BRAINLIEST ANSWER A medical researcher designs a study that will investigate the effects of a new drug on lowering patients cholesterol le class=](https://us-static.z-dn.net/files/d57/7be5064278568753e963e96f2835c699.png)