Biol 114: Intro to data Analysis (Exam 2)

Variation

differences that exist between individual organisms in their structures, functions and behaviors

Working Hypothesis

guiding research question that help to narrow down the possibilities of correct ideas

Null Hypothesis

defined statements to disprove in order to eliminate possibilities and eventually reach a correct answer (based on the concept of randomness, or no difference)

Alternative Hypothesis 

opposite of the null hypothesis and reflects the working hypothesis 

Chi- Square Test

useful for testing against a hypothesis