Business Statistics

Sampling and Sampling

Distributions

By a small sample we may judge of the whole piece

– Cervantes

8

Lear ning Objectives

Upon completion of this chapter, you will be able to:

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n Understand the importance of sampling

n Differentiate between random and non-random sampling

n Understand the concept of sampling and non-sampling

errors

n Understand the concept of sampling distribution and the ap-

plication of central limit theorem

n Understand sampling distribution of sample proportion

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