Actual percentage is calculated.

In a magazine article, the most recent approval rating of the president is reported. The parcentage of citizens who favor the president, despits his recent invlovement in a scandal, is 68% with a margin of error of +/-4%. What does this mean?

Behavioral research

Mary is studying doplhin behavior simply because it is an interesting topic that adds to our understanding of behavior in general. Marcy is studying dolphin behavior in order to train dolphins to detect underwater mines for national security. Mary is doing _________ research, and Marcy is doing ____________ . a. Descriptive; experimental b. Experimental; descriptive c. Basic; applied d. Applied; basic I believe that c. is correct

Social behavior is examined.

Kathy is interested in studying the social behavior of people at work, and she wants to develop her study. What is an important first step for her?

Survey drinking patterns

Yolanda is choosing participants to call for her telephone survey of campus drinking patterns. She gets a list of all students on campus and selects every tenth student to call. She has chosen a a. Population b. Simple randon sample. c. Systematic random sample d. Representative sample. I believe that the answer to this is c.

Sampling method for a telephone survery

I am choosing participants to call for a telephone survery of campus drinking patterns. If I get a list of all the students on campus, and select every 10th student to call have I chosen a. Population b. Simple random sampling c. Systematic random sample d. Representative sample I feel that this is c. Am I in the ballpark?