Median Mode Mean and Range. Median is the middle number in a list of numbers. Mode is the number that appears most in the list. Mean is the average.

Quick and Dirty Tips : Helping you do things better.

Browse over 220 educational resources created by AllDayABA in the official Teachers Pay Teachers store.

On the eve of the 2016 election, Nate Silver’s 538 site gave Clinton a 71% chance of winning the presidency. Other sites that used the most advanced aggregating and analytical modeling techniques…

Simple Linear Regression Department of Statistics, ITS Surabaya Slide- Prepared by: Sutikno Department of Statistics Faculty of Mathematics and Natural Scienc…

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...

Statistics 101: Single Sample Hypothesis t--test - Part 1Part 1: Conceptual BackgroundPart 2: Example ProblemsIn Part 1 of this video we discuss the basics o...

Inferential Statistics types of calculation - infographic

Our district pacing allows only for two days to a lot of information around scatter plots - correlation coefficient as a measure of the strength of the linear association, and writing linear...

You use hypothesis tests to challenge whether some claim about a population is true (for example, a claim that 40 percent of Americans own a cellphone). To test a statistical hypothesis, you take a sample, collect data, form a statistic, standardize it to form a test statistic (so it can be interpreted on a standard […]

Your walls are a reflection of your personality, so let them speak with your favorite quotes, art, or designs printed on our custom posters! Choose from up to 5 unique, high quality paper types to meet your creative or business needs. All are great options that feature a smooth, acid-free surface with vibrant full color printing. Browse through standard or custom size posters and framing options to create art that’s a perfect representation of you. Ideal for vibrant artwork and photo…

Z-statistics vs. T-statisticsWatch the next lesson: https://www.khanacademy.org/math/probability/statistics-inferential/hypothesis-testing/v/small-sample-hyp...

Learn how to perform a Chi Square Test with this easy to follow statistics video. I also provided the links for my other statistics videos as well.Chi Square...

Learn how to calculate a z score, create a standard normal distribution curve, and use a z table to determine the probability of an event occurring. Discover the difference between the standard deviation and z-score as well as how the empirical rule compares with z score tables.

Learn how to determine the correlation for various scatter plots and determine whether the relationship is linear or nonlinear. Then discover the steps for creating best-fit lines for various sample data and predict future values using linear approximation.