Straighterline Introduction to Statistics Exam 2024/2025

Straighterline Introduction to Statistics Exam 2024/2025 Four steps in the process of statistics - answer-1. Producing Data 2. Exploratory Data Analysis 3. Probability 4. Inference Categorical variable - answer-places individuals into one of several groups Two types: nominal and ordinal Quantitative Variable - answer-represents a measurement or a count Two types: Interval and ratio Nominal Variable - answer-categorical variables where there is no natural order among the categories Ordinal variable - answer-categorical variables where there is natural order among the categories Interval Variable - answer-a measurement or count for which it makes sense to talk about the difference between values, but it does not make sense to talk about the ratio between values; 0 does not represent the absence of quanitity Ratio Variable - answer-quantitative variables for which it makes sense to talk about the difference between values AND the ratio between values; 0 represents the absence of quant