Health Sciences 3801A/B Chapter Notes - Chapter 1.1: Statistical Inference, Statistic, Formal Methods
6 Jan 2019
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Section 1. 1 - definitions of statistics, probability, and key terms. Categorical variable places the person or thing into a category. Data the actual values of the variable. Descriptive statistics the organization and summarizing of data. Effective interpretation based on good procedures for producing data and thoughtful examination of data. Inferential statistics formal methods that are used to draw conclusions from good data" - which uses probability to determine how confident we can be that our conclusions are correct. Mean the sum of your variables divided by the amount of variables. Numerical variable take on values with equal units such as weight in pounds and time in hours. Parameter a numerical characteristic of the whole population that can be estimated by a statistic. Population a collection of person, things, or objects under study. Probability a mathematical tool used to study randomness. Proportion often presented in a fraction - the number of one variable/the sum of all variables.
