PSYC-2019 Quiz
What is the magic quantity for a normal dsitribution?
30
What is a z-score?
Number of SD from the mean
What is standardization
Converting indvidual scores from different normal dsitributions to a shared normal dsitribution
What is the z-score that indicates it is an outlier?
+/-2
Distribution of means?
Distrubution of many means from all possible samples of a certain size
Central Limits Theorem?
Idea that dsitribution of sample means is more normal than a distribution of scores
Sampling error?
Statistical variability from sample to sample due to chance
Standard Error?
SD of a distribution of means
Do hypothesis tests work when assumptions are not met?
Naur
Parametric test?
Inferential stat based on assumptions about the population
Nonparametric Test?
Inferential stat not based on set of assumptions about population
Robust Hypothesis Test?
Fairly accurate results when population might not meet some assumptions