Answer:
There are two fundamentally different types of experimental error. Statistical errors are random in nature: repeated measurements will differ from each other and from the true value by amounts which are not individually predictable, although the average behavior over many repetitions can be predicted.
Bill of rights? Or it could be Massachusetts Constitution of 1780
The bill of rights was to state individuals rights so the answer would be "C. The founding fathers wanted to guarantee citizens certain freedoms"
‘Do this’ is definitely an assertive phrase.