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9.1-9.3 by Mind Map: 9.1-9.3
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Parameter, Statistics, and Statistical Inference

Parameter: a number that is a summary characteristic of a population

Statstic: AKA sample Statistic

Estimate: AKA sample estimate

Statistical Inference: The procedures used to make conclusions about population parameters on the basis of sample statistics

Questions about Parameters

Parameter 1: population proportion

Parameter 2: Difference in two population proportions

Parameter 3: Population Mean

Parameter 4: Population Mean for paired differences

Parameter 5: Difference in Two Population Means

Sampling Distributions

Sampling Distribution: the probability distribution of a sample statistic, describing how values of a sample statistic vary across all possible random samples of a specific size that can be taken from a population

Standard Deviation of x: standard deviation of the sampling distribution of the sample mean

Standard Deviation of p: standard deviation of the sampling distribution of a sample proportion

Standard Error: estimated value of the standard deviation of a statistic