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A What is a random sample b Why is a random

a. What is a random sample?

b. Why is a random sample approximately representative?

c. What is the difference between a random sample selected with and one selected without replacement?

d. What is a table of random digits? How is it used in sample selection?

e. What other method can be used to select a random sample using a spreadsheet program?

b. Why is a random sample approximately representative?

c. What is the difference between a random sample selected with and one selected without replacement?

d. What is a table of random digits? How is it used in sample selection?

e. What other method can be used to select a random sample using a spreadsheet program?

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