Z-Score ಅನ್ನು ಹೇಗೆ ಲೆಕ್ಕ ಹಾಕುವುದು

Z-Score ಎಂದರೇನು?

A z-score (standard score) measures how many standard deviations a data point is from the mean. Z-scores normalise different datasets to the same scale, enabling comparisons.

ಹಂತ-ಹಂತದ ಮಾರ್ಗದರ್ಶಿ

1. 1z = (x − μ) / σ
2. 2x is the data point, μ is the mean, σ is the standard deviation
3. 3z = 0 means at the mean; z = 1 means one std dev above

Worked Examples