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Statistics 101: Single Sample Hypothesis z-test - Part 1Part 1: Conceptual BackgroundPart 2: Example ProblemsPart 3: The Alpha Effect and p-valuesIn Part 1 o...
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What is variance? Variance is a measure of how spread out a data set is, and we calculate it by finding the average of each data point's squared difference from the mean. It's useful when creating statistical models since low variance can...
This short video gives an explanation of the concept of confidence intervals, with helpful diagrams and examples. A good follow-up to check understanding is ...
This video shows how to conduct a hypothesis test on the TI-83/84 calculator. For much more detailed information on hypothesis testing and all other calculat...
Statistical Portraits: Newborn Stats Poster Collection
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An explanation of how to compute the chi-squared statistic for independent measures of nominal data.For an explanation of significance testing in general, se...
Sunday - a quiet evening before President's Day - checking out twitter - not looking for trouble - and then, https://twitter.com/LukeSelfwalker/status/567115009147568128 Wait..what's this? Standard Deviation? It was my birthday this past Saturday, and the Desmos folks knew exactly what to get me as a present. Abandon all plans, it's time to play. A lesson I…
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On this page you’ll find a number of resources for understanding the research methods used in psychology as well as some statistical methods for understanding and interpreting the data collec…
This entertaining video works step-by-step through a hypothesis test, using the difference of two means as an example. Helen wishes to know whether giving aw...
Data analysis cartoons can be useful for many reasons: they help communicate; they show that quantitative people have a sense of humor too; they can instigate good teaching moments; and they can he...
Hypothesis testing is data analysis technique which is used to to make inferences about the sample data from a larger population.
NG BB 34 Analysis of Variance (ANOVA) - Download as a PDF or view online for free
Elementary Statistics: Finding Std. Dev. and Variance of a Discrete Random Variable on TI-83-84. See www.mathheals.com for more videos
Stats concept map (1) - Download as a PDF or view online for free
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