What are the differences between various statistical methods?
Statistical methods can be broadly categorized into descriptive and inferential statistics. Descriptive methods summarize data, while inferential methods help make predictions or inferences about a population based on a sample.
Can you give examples of each type?
Sure! Descriptive statistics include measures like mean, median, and mode. Inferential statistics include methods like t-tests, ANOVA, and regression analysis.
When should I use regression analysis?
Regression analysis is used when you want to understand the relationship between a dependent variable and one or more independent variables. It's great for prediction and forecasting.
What about when to use ANOVA?
ANOVA, or Analysis of Variance, is used when comparing the means of three or more groups to see if at least one group mean is different from the others.
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