statisticsfun
Standard Deviation and Variance
When does 10 + 7 = 13? When you add wrong. The video walks you through solving standard deviation and variance problems by hand, including ways to check your work.
Crash Course
ANOVA: Crash Course Statistics #33
How do you account for multiple variables when analyzing data? Following a lesson on regression, the 33rd lesson in the Crash Course Statistics series examines the ANOVA, analysis of variances, method of determining differences between...
Crash Course
Measures of Spread: Crash Course Statistics #4
Sometimes the measures of center don't give us enough information. The spread of the data can tell statisticians much more about the data set. A video lesson, part of a statistics video series, describes different measures of spread such...
Crash Course
Randomness: Crash Course Statistics #17
You'll probably end up thinking about randomness the next time you eat fries. The 17th video in the Crash Course Statistics series uses an analysis of McDonald's french fries to look at the mean and expected value of random...
statisticsfun
Why are Degrees of Freedom (n-1) Used in Variance and Standard Deviation
Don't be mean, be above average. A straightforward video explains why degrees of freedom are used and how to recognize the error based on your sample population.
JFR Science
VSEPR Theory: Determining the 3D Shape of Molecules
Ready to take molecules out of the two dimensional world and into 3-D? Chemistry scholars explore molecular geometry through a well-written video from the JFR Science series. Topics include the effects of bonding and non-bonding...
statisticsfun
Calculating Standard Deviation Using Excel
Excel at your work with a lesson featuring spreadsheets. A video walks pupils slowly through how to solve standard deviation and variance using Excel in two different ways.
Be Smart
What's The Loudest Possible Sound?
If a tree falls in the forest and no person is around, does it still make a sound? Students view a short video segment to determine sound and decibel levels of various objects, including the loudest and quietest possible sounds humans...
statisticsfun
How to Calculate Mean and Standard Deviation
Good news! We only have a half day of school this morning. Granted, we have the other half this afternoon. The video is a visual representation of the definitions of mean and standard deviation.
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