Samples and populations-the distribution of sample means

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Reference no: EM133668124

Question

- Populations and samples, parameters and statistics, research methods, variables (independent, dependent, continuous, discrete), different scales of measurement (nominal, ordinal, interval, ratio), between-subjects and within-subjects designs, and internal and external validity,

- Samples and populations; the distribution of sample means, sampling error, and standard error (and how to calculate it, and factors that affect it); z-scores and probability for sample means (know how to calculate probability based on means and sampling distributions),

- Hypothesis testing, null and alternate hypotheses (and how to state them for the tests you've learned), the elements of a hypothesis test, the four steps of a hypothesis test, alpha level, the critical region, errors in hypothesis testing, selecting an alpha level, and the power of statistical tests,

Reference no: EM133668124

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