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Chapter 1

hypothesis what you think will happen during a investigation
observation something you find out about something
experiment is the use of a scientiffic methods to test your hypothesis
varible something that can change in a test
controll group the group that doesent get the special treatment.
procedures are step by step instructions for completing a task
data are information from which a conclusion can be drawn a prediction can be made
precision is the ability to consistenly repeat a measurement
accrucy is the ability to make a measurement close to the regular value
inference is a conclusio based on observation
evidence are observations that make you belive that somthing is true
independent variable is one that you control
dependent variable when an independent variable changes
survey questions awensered by people
sampleing examining random individual from a population.
experimental group the group thats gets a special treatment
Created by: George-lisec