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Chapter 9.1-9.3
by J Graham
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Chapter 9.1-9.3

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Section 9.1

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Parameter

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Statistic

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Statistical Inference

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Section 9.3

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Sampling distribution

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Standard deviation of x

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Standard deviation of p

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Standard error

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Section 9.2

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Population Proportion

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Population mean

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Paired Difference

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Population mean for paired differences

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Independent samples

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Difference in two population means

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Mind on Statistics, 3rd edition, Utts Heckard, Thomson Brooks Cole, 2007

"A parameter is a numberical summary of a population. Its value is considered to be fixed and unchanging." (Utts, 2007)

"A statistic, or sample statistic, is a numerical summary of a sample. its value may be different for different samples. The term sample estimate or estimate is synonymous and reinforces the idea that a statistic often is used to estimate the corresponding population parameter." (Utts, 2007)

Statistical inference or statistical induction comprises the use of statistics and random sampling to make inferences concerning some unknown aspect of a population. It is distinguished from...