I would say an investigation is a part-by-part scrutiny of a given problem. An investigation is examining a problem as to for example, what happened, how did it happen, when and why and re the consequences.
Answer:
A
Explanation:
The Plan represented one of multiple early attempts to form a union of the colonies "under one government as far as might be necessary for defense and other general important purposes."
Answer:
D
Explanation:
The dotplot is closer to approximately normal than the distribution of the population with mean $150 and standard deviation $10.
