Insightforge | AI & Data Science on Instagram: "In Statistics, three key concepts - Mean, Variance, and Standard Deviation help us understand how data behaves. The Mean (or average) represents the central value of a dataset the point around which most values tend to cluster. Variance tells us how much the data spreads out from that mean higher variance means the points are more scattered, while lower variance means they’re tightly grouped. The Standard Deviation is simply the square root of vari