1
Q
What is the absolute uncertainty of a data set?
A
half the range
2
Q
Another way to find absolute uncertainty from reading
A
smallest reading of instrument
3
Q
Equation for percentage uncertainty
A
(absolute uncertainty) / value x100
4
Q
What you do if: adding or minus values
A
add absolute uncertainty
5
Q
What you do if: multiply or divide values
A
add percentage uncertainty
6
Q
How to get from percentage uncertainty to absolute
A
percentage uncertainty x value
7
Q
Percentage uncertainty of a power
A
the power times the percentage uncertainty of the value
8
Q
What does error bar tell us
A
absolute uncertainty
9
Q
percentage uncertainty for an error bar graph
A
best fit (mid) - worst fit (min/max) / best fit *100
Physics
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