Sales Volume

Question

Which of the following is an example of statistical inference?
 A. Counting the number of patients who file malpractice suits after being discharged from hospitals in New York

B. Calculating the mean number of fruit trees damaged by Mediterranean fruit flies in California last year

C. Calculating the mean age of patients discharged from hospitals in New York in 1997

D. Calculating the amount of fly spray needed for your orchard next season
 

Question

A logically conjectured statement that describes the relationship between two or more variables and is formulated for empirical testing is a

A. hypothesis

B. theory

C. construct

D. thesis statement
 

Question

The variable that causes a measurable effect or change on the dependent variable is
 

A. independent

B. dependent

C. intervening

D. moderating
 

Question

Survey questionnaires may be effectively used for research to determine

 A. defect rates in automobile parts coming off a production line

B. the effect of price changes on sales volume

C. the attitudes of prospective voters

D. how temperature and humidity affect concrete cure time