What are the Range and Standard Deviation?

The Math Dude

Standard Deviation: A 5 Step Process Calculate the mean. Find mean of square differences (variance) Take square root of the deviance. Source: The Math Dude

Correlation vs. Causation (A Mathographic)

Correlation vs. Causation (A Mathographic)

GOALS  One of my goals is to take stat by next fall and be done with all my math requirements.


Statistics Laminate Reference Chart: Parameters, Variables, Intervals, Proportions (Quickstudy: Academic ): PThis guide is a perfect overview for the topics covered in introductory statistics courses.

How to choose a statistical model - Data Science Central

A statistical model consists of some assumptions that are observed after insights are produced from big data. The insights are then used to form a model so that you can categorize them according to their diversity. This infographic describes exactly which

If all else fails, use "significant at a p>0.05 level" and hope no one notices. // This concept totally went over my head in my research stats class.

If all else fails, use "significant at a level" and hope no one notices. // This concept totally went over my head in my research stats class.

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 …

Statistics Formula sheet-- "Claims of fact assert that a condition has existed, exists,or will exists and that their support consists of factual information" (Birk This type of claims sometimes are backed by things like statistics, etc.

The Nuts and Bolts: Great descriptions and use of graphics. Share with your students!  www.teachthis.com.au

15 Healthy Twists on Kids' Favorite Dessert Recipes

Nominal Ordinal Interval Ratio Data (but not great for Interval)

A Halloween chocolate lesson in nominal, ordinal, interval, and ratio data #MRX

Statistics Equations and Answers. Review material for introductory statistics classes and courses

Statistics problems can make the best students shudder as they near the classroom, but they need not worry any longer—QuickStudy is here to help! A comprehensive, up-to-date collection of tips and tricks for understanding statistics/probability i.

love the "notice and wonder" approach!  Summation notation

Summation Notation also known as Sigma Notation. A simple way of expressing the sum of the values of a sequence. This is seen in PreCalculus, Calculus 1 (AP Calc AB), and Calculus 2 (AP Calc BC).