How To Calculate Variance

This statistics video tutorial explains how to calculate the variance of a sample. Statistics - Free Formula Sheet: https://www.video-tutor.net/formula-sheets.html Statistics - Video Lessons: https://www.video-tutor.net/statistic.html ________________________________ Introduction to Statistics: https://www.youtube.com/watch?v=XZo4xyJXCak Arithmetic, Geometric, & Harmonic Mean: https://www.youtube.com/watch?v=6G6i8vSa8Zs Cumulative Relative Frequency Table: https://www.youtube.com/watch?v=6hJGa4Zp62M Quartiles, Deciles, & Percentiles: https://www.youtube.com/watch?v=40o82o3uNfk Interquartile Range & Outliers: https://www.youtube.com/watch?v=STSP8gTSdT8 ___________________________________ Skewness & Symmetric Distribution: https://www.youtube.com/watch?v=U0NZu6f5TMI Sample Mean and Population Mean: https://www.youtube.com/watch?v=cmtBUWCC-6A Mean, Median, & Mode - Grouped Data: https://www.youtube.com/watch?v=zjHfAhcU6kE Standard Deviation: https://www.youtube.com/watch?v=IaTFpp-uzp0 Variance: https://www.youtube.com/watch?v=deIQeQzPK08 ___________________________________ Mean Absolute Deviation: https://www.youtube.com/watch?v=K4heM9mSrw0 Standard Deviation of Grouped Data: https://www.youtube.com/watch?v=x6Pnf57wRAs Introduction to Probability: https://www.youtube.com/watch?v=SkidyDQuupA Probability Formulas: https://www.youtube.com/watch?v=bddckR734aM Final Exams and Video Playlists: https://www.video-tutor.net/