Answer:
With no "control" you have no base line to compare your results with, for whatever hypothesis your testing
Explanation:
Answer:
C.
Explanation:
You can look at the data for neighborhoods with and without to see if there is a difference. Most likely every neighborhood will not be impacted the same but you will see a trend. So it would be researchable and debatable.
Answer:
well talk to them about it, explain the situation to the manager and demand an explaination back
