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Unformatted text preview: Variance 2 Terms for Midterm 1 (continued) Normal distribution z score (value of score in standard deviation units) z = (X – Xbar)/ s Percent (or proportion) of scores that fall within 1 & 2 s (z scores) of a normal distribution Standard normal distribution Standard normal deviate Interval estimator Point estimation Unbiased estimator Consistent estimator Simple random sampling Stratified random sampling Sample size Sampling distribution of the mean Central limit theorem Standard error of the mean Standard error of a proportion Sample size and standard error 95%, 99% confidence interval for the mean 95%, 99% confidence interval for a proportion...
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This note was uploaded on 03/05/2008 for the course PSYCH 100A taught by Professor Marken during the Fall '07 term at UCLA.
- Fall '07