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T-Test Explained

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T-Test

T-Test: Overview and Requirements Requirements to Perform a T-Test Essential Requirements: Additional Considerations: Key Differences from Z-Test Requirements: Steps to Perform a T-Test: Example Calculation: Independent Samples T-Test Scenario: We want to compare the average height of male and female students in a university. We randomly select 20 male students and measure their heights, and … Read more

Central Tendency: Sample Mean and Population Mean

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Sample Mean and Population Mean

What are sample mean and population mean? Sample mean and Population mean are two key statistics used to measure the central tendency within a dataset. While they seem similar, they represent averages from different sources of data: Sample Mean (x̄) This represents the average value calculated from a subset (sample) of a larger population. It’s … Read more