Random & Systematic Errors

Simulation

Challenges

Projectile launcher

vlaunch = ...

projectile launcher projectile spring

Distance distribution (current setup)

d (m)

Counts

Mean d ± α

= ... m
 ± ... m

(1 SF in α)

Standard deviation

σ = ... m

Uncertainty Δα/α

= ...

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New draft template. The text on start-up appears here.

Take measurements

Number of measurements n = ...

Distribution statistics

mean formula standard deviation formula standard error formula fractional uncertainty formula

Setups

Random movement of spring

slider handle

small vlaunch
variations

large vlaunch
variations

more precise

less precise

Systematic change in launcher

slider handle

working spring

faulty spring

accurate

inaccurate

correct
well done
excellent