HUMBEHV 3HB3 Study Guide - Fall 2018, Comprehensive Midterm Notes - Variance, Null Hypothesis, Standard Deviation

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Document Summary

Basic concepts and graphical displays: refers to statistical methods and procedures and the results of those procedures, averaging is a statistical method, the result is a statistic. It helps to organize are useful argument from quantitative evidence. Context: stats is used in many context. Companies use stats to know the customers what they want. Investigate differences in a population by looking at the effect size it"ll be statistically significant but not practically significant. Basic concepts part two: a persons happiness and your self-reported happiness on the test that is numerical may not be accurate, we cannot prove that this is an effective measure. It has some features of a histogram: stem is vertical, horizontal are the leaves, this is better than a table because you can still see trends and patterns. It"s like a table, allows you to recreate the original data.

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