STA 301 - Ch 02 - pp 21-26

STA 301 - Ch 02 - pp 21-26 - Chapter 2: Probability CHAPTER...

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Chapter 2: Probability 21 CHAPTER 2 — PROBABILITY We now begin to build the foundation on which inferential statistics is built. In this chapter, we examine ways to describe and analyze chance outcomes that arise from processes involving uncertainty. We begin with some basic terminology: Experiment – any process that generates a set of data (i.e., a process that might result in one or many different possible outcomes) Flipping a coin Taking an exam Presidential poll Waiting for a bus Observation – a recorded individual outcome of a statistical experiment The result of a single coin flip An individual’s exam score An individual’s intended vote The amount of time in minutes until the bus arrives Note: Observations need not be numerically represented! Categorical data may also be considered.
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Chapter 2: Probability 22 Sample space – the set of all possible outcomes of a statistical experiment We shall denote the sample space for an experiment using the symbol . S What are possible sample spaces in each of these examples? Flipping a coin
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STA 301 - Ch 02 - pp 21-26 - Chapter 2: Probability CHAPTER...

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