Chi square

Chi Square test of Independence

How to teach chi square analysis in biology. Includes presentation slides and student assignment.

One of the more confusing things when beginning to study stats is the variety of available test statistics. You have the options of z-score, t-statistic, f-statistic, and chi-squared, and it’s easy…

Chi-Square Test with Python

This course will provide a solid foundation in probability and statistics for economists and other social scientists. We will emphasize topics needed for further study of econometrics and provide basic preparation for _14.32 Econometrics_. Topics include elements of probability theory, sampling theory, statistical estimation, and hypothesis testing.

Chi Square Distribution

Degrees of freedom represent the number of independent values in a data sample that can vary while calculating statistical properties, calculated by subtracting one from the sample size. They play a key role in hypothesis testing and help determine the validity of sample data in tests like t-tests and chi-square tests. Originating in the early 1800s, this concept remains crucial in statistical analysis to assess data reliability and variability. Learn more at the link in our bio!

Hypothesis Testing - Chi Squared Test

Just what is the bagua map, exactly? And how can you draw it over your floor plan? In the Taoist form of alchemy that we call feng shui, there is a mathematical and magical construct known as the b…

Prof. K's Help with numbers offers tutoring/internet instruction tools for: MCC STATISTICS 1, STATISTICS 2, Business Statistics, Covers topics such as: Levels of measurement, frequency distribution, histogram, Z test, T tests, Chi-Squared testing, F tests, confidence intervals, probability, normal curve, hypothesis testing, correlations, statistical computations and statistical interpetation of data.

Chapter 15 covers the chi-square statistic and its applications for testing goodness of fit and independence in statistical analysis. It explains the criteria for when to use chi-square tests, including how to interpret the results and calculate effect sizes with phi coefficient and Cramer's V. The chapter emphasizes the importance of assumptions for chi-square tests and the interpretation of observed versus expected frequencies. - Download as a PPTX, PDF or view online for free

Virtual fruit fly genetics lab where students can explore phenotypes and genotypes of flies, design experiments, and perform chi square analysis.

Standard deviation is an important calculation for math and sciences, particularly for lab reports. Here are step by step instructions.

The Pythagorean Theorem describes the lengths of the sides of a right triangle in a way that is so elegant and practical that the theorem is still widely used today. The theorem states that for any right triangle, the sum of the squares of...

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Can someone illustrate the trade off with the help of a diagram and intuitive explanation? Thanks

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Sengai Gibon 【仙厓 義梵, 1750–1837, a celebrated artist-priest of the late Edo period, known for his lighthearted sumi-e paintings】. From Wikipedia: "One of [Sengai's] most notable paintings depicts a circle, a square & a triangle. Sengai left the painting without a title or inscription, save for his signature." Known as "○△◻" or "The Universe", Sengai said, "My play with brush & ink is not calligraphy nor painting; yet unknowing people mistakenly think: this is calligraphy, this is painting."

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This article shows a relationship between Solfeggio music frequencies, and the differences in the squares of mirror numbers .