Question: Refer to Exercise.

a. What is the population of interest to the faculty senate?

b. What is the sampling frame?

c. What is the sample?

d. Is the sample representative of the population of interest? Explain.

Exercise: The faculty senate at a large university wanted to know what proportion of the students thought that a foreign language should be required for everyone. The statistics department offered to cooperate in conducting a survey, and a simple random sample of 500 students was selected from all students enrolled in statistics classes. A survey form was sent by e-mail to these 500 students. For parts (a) to (c) discuss the extent to which the specified type of bias would be likely to occur in this survey:

a. Selection bias.

b. Nonresponse bias.

c. Response bias.

d. Which of these three types of bias do you think would be the most serious? Explain.