PSYC 21621 Study Guide - Final Guide: Variance, Supreme Headquarters Allied Powers Europe, Bok Choy
12 Mar 2019
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I nferentia i statistics: we want to infer from the observations of our sample to the population a error is the natr-rral, not a mistake: it"s expected. Sampling variability: taking a sample is a random event r because ofthat, computing the sample mean, computing the sample standard deviation, t"io"xlt iliif:i,. jl,, probabrlrryr. What is the probability of getting a certain sample: multiple different samples, what"s the probabi can come from a populqtign lity of getting a sample that is either similar or different from the population? statistics. Distribution the sarne: example: distrib from the. ; o sample mean: sample variance, samp le standard deviation is of a sam s s o o o r) O is a distribution a specific size frorn a aracte! "isticlrepresentative cif the populatian mean means obtained by selecting all the. Larger the sample size, the better the precision.
