Geometric mean (Edexcel GCSE Statistics): Flashcards

Ideal for growth rates, interest, ratios, and multiplication.

nth root of the product of n values, like racproductof values.

Convert % increases to >1, decreases to <1, then multiply.

Confusing with arithmetic mean; forget roots or convert percentages.

In growth, interest rates, percentage changes, ratios.

Uses multiplication and roots, not addition and division.

Convert percentages to multipliers, then calculate geometric mean.

Because it accounts for compounding and multiplicative effects.

Set up correct equations and systematically solve.

x = 6