A Lesson In Standard Deviation

Continuing his conversation about data sets from the previous video, Sal introduces range, variance, and standard deviation as means of dispersion. Those who are advancing in algebra or who are beginning a statistics class will benefit...

What if math teachers are really pirates and they want us to find x so they can get the buried treasure? A short video explains how to calculate standard deviation and variance with a step-by-step guided practice problem. The formula is...

What did the math book say to the psychology book? I have a lot of problems. A helpful video covers how to calculate the margin of error with various standard deviation numbers. 

Wouldn't life be easier if a computer would do the work for us? A video shows how to use Excel to solve for standard deviation, mean, and variance statistics. 

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. 

It's getting hot out there! The last installment of an 11-part Math in Science video series, standard deviation and normal distributions to analyze data. Viewers learn how to apply this method to temperature data from past decades to...

Deviation is normal in the world of statistics. Viewers first learn about the normal distribution curve in an informative video. They then watch as the narrator calculates standard deviation by hand and using spreadsheets.

Begin by reviewing mean absolute deviation as a measure of variability. Your new learning will begin with standard deviation and understanding the difference between mean absolute deviation and standard deviation.

Find the standard deviation of a set of integers. Using the formula to find the standard deviation, the instructor shows you how to apply the formula to a small set of integers.

Standard error means ... it's okay to be wrong? Viewers learn how to calculate standard error from the standard deviation and the number of data values, both by hand and by using spreadsheets. The video also shows how to display this...