ch7-2x3 - 2/16/2009 7-1 Introduction The field of...

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2/16/2009 1 7-1 Introduction • The field of statistical inference consists of those methods used to make decisions or to draw conclusions about a population. • These methods utilize the information contained in a sample from the population in drawing in a from the population in drawing conclusions. Statistical inference may be divided into two major areas: • Parameter estimation • Hypothesis testing 7-1 Introduction Definition 7-1 Introduction 7-1 Introduction
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2/16/2009 2 7.2 Sampling Distributions and the Central Limit Theorem Statistical inference is concerned with making decisions about a population based on the information contained in a random sample from that population. Definitions: 7.2 Sampling Distributions and the Central Limit Theorem 7.2 Sampling Distributions and the Central Limit Theorem Figure 7-1 Distributions of average scores from throwing dice. [Adapted with permission from Box, Hunter, and Hunter (1978) and Hunter (1978).] 7.2 Sampling Distributions and the
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ch7-2x3 - 2/16/2009 7-1 Introduction The field of...

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