This Statistics video tutorial explains how to calculate the standard deviation using 2 examples. You need to calculate the mean before you can calculate the sample standard deviation.

Introduction to Statistics:    • Introduction to Statistics  

Arithmetic, Geometric, & Harmonic Mean:
   • Arithmetic Mean, Geometric Mean, Weig...  

Cumulative Relative Frequency Table:
   • How To Make a Cumulative Relative Fre...  

Quartiles, Deciles, & Percentiles:
   • Quartiles, Deciles, & Percentiles Wit...  

Interquartile Range & Outliers:
   • How To Find The Interquartile Range &...  

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Skewness & Symmetric Distribution:
   • Skewness  Right, Left & Symmetric Di...  

Sample Mean and Population Mean:
   • Sample Mean and Population Mean  Sta...  

Mean, Median, & Mode Grouped Data:
   • Mean, Median, and Mode of Grouped Dat...  

Standard Deviation:
   • How To Calculate The Standard Deviation  

Variance:
   • How To Calculate Variance  

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Mean Absolute Deviation:
   • Mean Absolute Deviation  Statistics  

Standard Deviation of Grouped Data:
   • How To Calculate The Standard Deviati...  

Introduction to Probability:
   • Introduction to Probability, Basic Ov...  

Probability Formulas:
   • Probability Formulas, Symbols & Notat...  

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