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critchfield Env 2

Vocabulary chapter 2

QuestionAnswer
Observation info using our senses
Hypothesis a testable explanation for an observation
Prediction logical statement
Experiment a procedure desinged to test a hypothesis
Variable is the factor of interest
Experimental Group or independent Variable the variabel you change
Control Group or dependent variable the variabel that stays the same
Data the info you collect from the experiment
Correlation reliabel association between two or more event
Tabel to keep track of data
Graph to show how the dat a is changing
statistics is the collection of data that are in the form of numbers
Mean is the avarge of data
distribution members of a statistical population
probability the chance of something happing
Sample events selected to represent the popluation
risk the probability of an unwated outcome
Scale Model bring something down to size
conceptual Model a verbal or graphical explanation
mathematical model one or more equations represents the way the system works
Value principles or standards we consider important
Created by: 11critchfieldr
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