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Objective: To understand how an experiment’s purpose provides guidance to the design of an experiment and the manner in which data are collected and displayed.

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Experiments and Variables

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Pick from among the three activities - Purpose and Variables, Experimental Design, and Data Representation.

Purpose and Variables Completed

Experimental Design Completed

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Purpose and Variables Identify the dependent and independent variables from the Purpose statement of an experiment. 4 Situations

Experimental Design Identify an appropriate design for an experiment based on a statement of its purpose. 4 Situations

Data Representations Completed

Data Representations Given a purpose, identify the dependent and independent variables and the proper graphical display. 4 Situations

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You have done it! You have successfully analyzed each of the situations. You have earned the Experimental Design trophy.

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What are the independent and dependent variables in this experiment?

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Independent Variable:

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Purpose and Variables

Experimental Design

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