Calculating uncertainty in GCSE 9-1 Science
Average uncertainty = Range /2
Range = largest value- smallest value.
Q1. Calculate the Average uncertainty in set of data for
distance jumped by Spiderman.
2. Calculate the average uncertainty in the
measurement of power for Wonder woman.
3. Calculate the average uncertainty in the
measurement of Velocity of Flash.
1
2
3
Distance (m)
1.25
1.26
1.28
1
2
3
4
Power (W)
950
951
949
952
repeats
Velocity (m/s)
1
35
2
36
3
38
4
37
5. Calculate the average uncertainty in the density of Captain
America’s Shield.
6. Calculate the average uncertainty in the
time taken for Batman to respond to the call.
6. Calculate the average uncertainty in the
Force applied by Superman.
repeats
Density (kg/m3)
1
960
2
1040
3
980
4
1150
repeats
1
2
3
Time(s)
152
159
142
repeats
1
2
3
4
5
Force (N)
1254
1260
1360
1325
1325