1
Q
Variables
A
factors that may vary or change during an experiment or investigation
2
Q
Independent variable
A
X-axis
The factor influencing another
3
Q
Dependent variable
A
Y-axis
The factor being influenced
4
Q
Continuous data
A
Scatterplot/Line Graph
used when the independent variable has a large or infinite number of potential intermediate values, such as measurements
5
Q
Categorical data
A
Bar/Column Graphs
used when the independent variable is a set of discrete or separate groups
6
Q
Replications
A
increase confidence in data because it reduces the effect of chance or random error
reveal the amount of variation present and allow an average result from the trials to be determined
