Data Handing/Analysis Flashcards
(7 cards)
What is an independent variable?
The independent variable is the variable which is changed by the investigator between each set of measurements.
What is a dependent variable?
The outcome of the experiment which you measure
What is a control variable?
A control variable is a variable which may affect the outcome of the investigation so has to be kept constant
What is categoric data?
Categoric variables have a values that are labels, for example, the name of a plant, or type of a material
What is continuous data?
Continuous variables have values which are numbers, and can have any value
Calculate gradient
Rise over run
Rise/Run
How do you draw a line of best fit?
A line goign through as many crosses and goes past the crosses at the ends