practicals: knowledge Flashcards
1
Q
valid test=
A
independent variable is changed
dependent variable is measured
2
Q
fair test=
A
independent variable is changed.
3
Q
uncertainty= (formula)
A
resolution / 2
4
Q
line graphs exam technique
A
CONTINUOUS DATA
- line of best fit can be plotted to show a pattern or trend or identify odd results
- can estimate results that were not investigated