The new number, 200, is 400 less than the original number. What is the approximate percent change?
Answer:
Hamilton made numerous contributions including serving as the chief staff aide of General George Washington.
Explanation:
Among other things, Hamilton founded the nation's financial system, the first national bank, the United States Coast Guard and the United States Mint
Answer:
C) Stratified sampling
Explanation:
Stratified sampling: This is one of the probability sampling technique in which the researcher tends to divides a particular population that is taken for the researcher purpose into various groups or strata, and after dividing the population, the researcher randomly finally selects the participants from those groups or strata and being analyzed later on. Further, the group is taken for study is through the random sampling technique.
Advantage:
1. It provides great precision.
2. The study group is small, hence cost-effective.