Inductive Reasoning
data ==> general conclusion
Deductive Reasoning
general conclusion ==> data
Variability of a population
o^2=sum(x-mean)^2/N
Variability of a sample
s^2=sum(x-mean)^2/n-1
Standard deviation
sqr. root of variation
Properties of Life
Order
Ability to change
Ability to reproduce
Ability to evolve
Ability to grow and develop
Ability to process energy
Homeostasis
Special qualities of water
Expansion upon freezing
Cohesion & Adhesion
Moderation of temperature
Universal solvent