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Biology Lab

o Time is typically the independent variable
o The dependent variable depends on what is changing
Types of date
o Qualitative =descriptive
o Quantitative is expressed numerically
 Discrete date can only take on certain values
 Continuous can take on any value
Graphing quantitative date
o Discrete uses pie charts and bar graphs
 Compare categories of discrete date
 X axis can be re arranged
o Continuous graph uses histograms or line graphs
 X axis cannot be re arranged
 Plot dependent and independent variables as coordinates
 Determine relationships between two different things