PSYC 105 Midterm: Exam 2 Review Sheet
8 Nov 2016
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We want to generalize the findings from a sample to the population. Every individual in the population has the same chance of being selected fir the sample. If more than one individual is to be selected for the sample, there must be constant probability for each and every selection. To keep the probabilities from changing from one selection to the next, you must replace each sample before making the next selection sampling with replacement. Samples typically are not identical t the populations from which they were drawn. The discrepancy between a sample statistic and its corresponding population parameter. Contain different individuals, have different scores, and have different sample means. Possible to obtain thousands of different samples from one population. The huge set of possible samples falls into a simple, orderly, and predictable pattern. this pattern is the distribution of sample means.
