Overview
Inferential statistics is a vital area of statistics that enables researchers to draw conclusions about a larger population based on a smaller sample. By using techniques such as hypothesis testing, confidence intervals, and regression analysis, inferential statistics provides tools for making predi...
Key Terms
Example: Random sampling ensures every individual has an equal chance of being selected.
Example: The null hypothesis states that a new drug has no effect on patients.
Example: A p-value of 0.05 indicates a 5% chance of observing the data if the null hypothesis is true.
Example: A 95% confidence interval for a mean might be (10, 15).
Example: A t-test can determine if the average test scores of two classes are significantly different.
Example: ANOVA can test if different teaching methods lead to different student performance.