Determine whether the study involves selection bias, partici…

Determine whether the study involves selection bias, participation bias, both selection bias and participation bias, or neither.You are interested in the degree of satisfaction amongst customers at your video store. For one week, you hand a customer satisfaction questionnaire to every customer who comes into the store and ask them to fill it out and place it in a box after they check out.

Solve the problem.For the study described below, identify th…

Solve the problem.For the study described below, identify the sample.A researcher is interested in the level of stress among emergency-room nurses in the U.S. 275 emergency-room nurses were interviewed to determine their level of stress. Each nurse was assigned a stress rating based on his or her answers to a number of questions. The average stress rating for the 275 nurses was determined.