A Researcher Is Conducting a Survey Among Students to Determine

Multiple Choice

A researcher is conducting a survey among students to determine their mean age. Data is collected by asking the age of a simple random sample of 150 students. The researcher simply asked the ages of these students. The results of this study, if applied to all students in the university, are questionable because of

A) lack of accuracy.
B) selection bias.
C) nonresponse bias.
D) response bias.