112 1 2.009 My Notes Ask Your Teacher Suppose you are assigned the number 1, and

Question

112 1 2.009 My Notes Ask Your Teacher Suppose you are assigned the number 1, and the other students in your statistics class call out consecutive numbers until each person in the class has his or her own number. (a) Explain how you could get a random sample of four students from your statistics class. (Select all that apply.) Randomly choose four of the students that are sitting in the back row. Randomly choose four of the last students that walk into the classroom. Randomly choose four of the first students that walk into the dassroom. Randomly choose four of the tallest students in the dassroom. a Use a computer or random-number table to randomly select four students after numbers are assigned. (b Explain why the first four students walking into the classroom would not neces arily for a random sample. (Select all that apply.) perhaps they are excellent students who make a special effort to get to class early. There is nothing wrong with choosing the first four students walking into the classroom. D Perhaps they are students that needed less time to get to class. Perhaps they are students with lots of free time and nothing else to do. Perhaps they are students that had a class immediately prior to this one.

Explanation / Answer

a) ans -> e)

b) ans -> a) & c)

c) ans -> a), b), c)

d) ans-> a) & e)

e) ans -> b) & c)

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