A survey is conducted asking 400 people, \"Do you prefer Coke or Pepsi?\" While

Question

A survey is conducted asking 400 people, "Do you prefer Coke or Pepsi?" While shopping, 200 people are asked to perform a lasted test in which they drink from two randomly placed, unmarked cups. They are then asked which drink they prefer. Sixty patients with carpal tunnel syndrome are randomly divided into two groups. One group is treated weekly with both acupuncture and an exercise regimen. The other is treated with the exact same exercise regimen, but no acupuncture. After year, both groups are questioned about their level of pain due carpal tunnel syndrome. Conservation agents netted 250 large-mouth bass a Jake and determined how many were carrying

Explanation / Answer

(12) A poll is conducted in which 500 people are asked whom they plan to vote for in the upcoming election

Ans:Observational study

(13) A servey is conducted asking 400 people do you prefer coke or pepsi?

Ans:Observational study

(14) while shopping 200 people are asked to perform a taste test in which they drink from two randomly placed un marked cups they are then asked which drink they prefer

Ans;Experimental study

(16) conservation agents netted 250 large mouth bass a lake and determine hwere carrying how many were carrying para-

Ans:Observational study

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