Repeatable error associated with faulty equipment or a flawed experiment design. (sisihin si instrument)
Systematic Error
Also called unsystematic error
Has no pattern
These errors are usually unavoidable
Random Errors
Types of Systematic errors
Offset errors
Scale factor errors
the instrument isn’t set to zero when you start to weigh items
Offset errors
These are errors that are proportional to the true measurement.
Scale factor errors