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An instructor is interested in knowing whether a recent exam is viewed by the students as...

An instructor is interested in knowing whether a recent exam is viewed by the students as fair. There are 40 students in the class. The instructor
received the opinions of 3 students who remained after class one day to complain about the exam.

(a) What is the population for this study?

(b) What is the sample?

(c) Is the sample a random sample? Explain why or why not.

(d) Do you think that the instructor should conclude that the opinions of the 3 students who remained after class represent those of the entire class? Explain why or why not.

Math   Statistics-And-Probability   
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