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What is ANOVA Analysis of Variance? ANOVA Analysis of Variance is a statistical technique used to compare the means of two or more groups to determine if there is a statistically significant difference among them. ANOVA assesses whether the means of different groups are significantly different from each other by examining the variance within each … Read more
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
Z-Test: Overview and Requirements Requirements for Z-Test: Steps for Conducting a Z-Test Example Calculation: One-Sample Z-Test Scenario: A teacher believes the average score on a history exam is 75 points. We randomly select a sample of 30 students and find their scores. We want to test if the average score from this sample is significantly … Read more
In this article we will understand everything about what is Standard Error, we will be starting with understanding the basics needed for Standard Error and then move on to what is Standard Error, how and why is it used and how to calculate Standard Error. What is Population? Population: Population represents complete set of individual … Read more
What is a Hypothesis? A hypothesis is an educated guess or a tentative statement about a phenomenon that can be tested through research. It serves as a foundation for an investigation, guiding researchers in collecting and analyzing data. A good hypothesis is testable, falsifiable and specific. An example of a good hypothesis may be, imagine … Read more