Data And Graphs Flashcards
Define independent variable
The one that you change and manipulate
Define dependent variable
The one that changes as a result and what you measure
Define controlled variable
Must not change so it is a fair test
What variable always goes on the x axis
The independent variable
Define hypothesis
A statement that can be proved or disproved with a practical test
Define discrete data
Can only have whole number values
Define continuous data
Can have any numerical value including decimals
What is a line graph
What we use when we have two sets of data or to show change
What are bar charts
What we use when we only have one set of data to compare different discrete variables
What is the mean
The nail of values divided by the number of values
Define positive correlation
Positive correlation is when one result in an axis goes up the other goes down
Define negative correlation
Negative correlation is when one result in an axis the other goes down
