Annexure-I
Statistical Formulas and Symbols
| Statistical Formulas | Glossary of Statistical Symbols |
|---|---|
| 1. > represents greater than < represents less than | a > b a is greater than b b < a b is less than a |
2. Mean X̄  |
X̄ arithmetic average Σ represents sum, X represents scores and N the number of scores |
| 3. Mode M0 | M0 mode: score that occurs most frequently in a distribution. |
4. Percentile rank Pr  where R represents rank from the top of a distribution. |
Pr percentage of scores that fall below a given value, plus 1/2 the ... |
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