The reading level of a random sample of men and a random sample of women are mea

Question

The reading level of a random sample of men and a random sample of women are measured. Researchers want know whether women typically read at a higher level than men. A) Dependent B) Independent Oprah want to see if weight watcher actually work, so she randomly select people who are doing weight watcher and gather before and after weight and compare them. A) Dependent B) Independent Instructor Vallejo want to test a new drug that supposed to help students do better in statistics class. He randomly select two classes where one class doesn't get the drug and the second class does get the drug. A) are independent B) are not a type that can be determined D) are dependent C) follow a normal distribution D) are dependent

Explanation / Answer

19) here both the treatment group are different ; therefore samples are independent.

option B) Independent

20)

here as treatment is done on same group; therefore it is dependent

hence option A) dependent

21)

here also treatment are done on different class

hence option A) are independent

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