POLS 401 Study Guide - Multimodal Distribution, Seed, Dependent And Independent Variables
Document Summary
What is the purpose of statistics? between phenomena. Descriptive statistics summarize and describe the characteristics of a variable or relationship. Inferential statistics? among variables. observed relationship or value in a sample corresponds to the actual target population parameter (finds out if the relationship occur by chance if it didn"t exist in the entire population) What kind of complaints do people have about the highway paving program?) and whether a relationship exists between various respondent attributes. Why is it important to determine the level of measurement of the variable(s) in a statistical analysis? can be accurately measured the same way in different statistical analyses. Why is it inappropriate to use a frequency distribution for interval (scale) variables? single variable. Univariate analyses sufficient for simple information objectives indicating the typical value in. Frequency distribution is inappropriate for interval variables because the table would be too large.
