Q$2-$ Which statement is NOT correct?

Mistakes and systematic errors need thbe eliminated before we can correctly deal with random errors

True value of observations can never be known regardless of how precise is the surveying equipment

When reading or writing an observation, transposition of figures is categorized as a random error and can be identified if we have several observations of the same quantity

$$ The knowledge of theory of errors is needed for planning measurements in order to achieve the target accuracy in surveying