Category: USP493 Data Analysis

Data: Antivaxxer Prevalence Correlates With Covid Incidence
CJ Trowbridge USP 493 Data Analysis 20201201 SPSS Final Project Outline Introduction – what hypothesis you will test and why you expect your independent variable or variables will affect your dependent variable In the recent past, it was legal for California parents to refuse to vaccinate their children in on the basis of various superstitions.…

USP493 Session 5 Notes
Intro to Statistical Inference The difference between populations and samples Statistics and parameters Using probability sampling to induce population parameters How to sample Simple random sample Stratified samples Systematic samples Population, sample and sampling distributions Sampling distribution defined – the distribution of all possible samples of size n from a population Population, sample and sampling…

USP493 Session 4 Notes
Lecture Measures of Variability Index of Qualitative Variability – used for nominal data The range – used for interval data – simply the largest value minus the lowest value The interquartile range, the difference between the cutpoint where 25 percent of the cases have a larger values, and the cutpoint where 25 percent of the…

USP493 Session 3 Notes
Graphic presentation of data For nominal and ordinal data you can do a pie chart or a bar chart For grouped interval data you can construct a histogram For grouped or ungrouped interval data you can construct line graphs Measures of Central Tendency Mode – can be used for nominal, ordinal and interval data the…

USP493 Session 2 Notes
Introduction to Simple Univariate Descriptive Statistics Frequencies and Percentage Distributions Can be used for nominal and ordinal variables, interval usually when the data are collapsed. Difference between proportions (f/N) and percentages (f/N)* 100 How to set up Put the values of the variable along the side, including totals, list frequencies or percentages in a second…

USP493 Session 1 Notes
Review Modeling – turning the research question into researchable form Selecting the attributes of interest Determining the causal paths Dependent vs independent variables Time order Logic/theory Moving towards a researchable hypothesis Specifying the unit of analysis Specifying the concepts More and less abstract concepts Conceptual and operational definitions Multidimensional concepts Permitting the ability to show…