Credit Analysis Calculators

Tidbits from Stats Calculator Online

• Plan ahead

  Power before you collect data

  Fix the smallest meaningful effect and α, then compute sample size. Inflate n for dropout when recruiting humans.

  Sample size calculator →

• Everyday math

  Percent change ≠ percent of

  Percent of is part÷whole. Percent change uses the starting value in the denominator—and +50% then −50% does not return to start.

  Percentage calculators →

• Quick tip

  Sample vs population SD

  Use n−1 (sample) when your data are a subset of a larger group; use n when you truly have the whole population.

  Open SD calculator →