Discover Pinterest’s 10 best ideas and inspiration for Ap statistics. Get inspired and try out new things.
How do I know when to use the t-test instead of the z-test? Just about every statistics student I've ever tutored has asked me this question at some point. When I first started tutoring I'd explain that it depends on the problem, and start rambling on about the central limit t...
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An Intuitive Guide To Statistical Significance - Fairly Nerdy
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When a correlation is calculated, the resulting coefficient can be a positive number or a negative number. Positive correlations are a direct relationship meaning the two quantitative variables move the same direction. Negative correlations are an inverse relationship meaning the two quantitative variables move in opposite directions. In either case, the correlation coefficient should be a decimal number between -1 and +1. Graphic could be used in a PowerPoint as an illustration.
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Bill Duncan posted a piece on PM Student titled Estimating Effort. It's a multiple part series that addresses some of the issues around estimating cost and schedule in a project context. Multipart pieces are ineffective in the medium of a...
Use our sample "Standard Deviation Cheat Sheet" for free. Read it or download it to your device. Learn with wikiHow.
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