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daisylaloca
29.10.2019 •
Mathematics
1. sketch the general shape of the graph of the function f(x) = 1 / x^n for n > 0 when n is an odd number.
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Ответ:
Using stratified sampling concepts, it is found that the correct options are:
A. The various locations, ethnic groups, and income brackets that are representedC. Stratified sampling ensures that each segment of the population is represented.Stratified sampling divides the population into groups, called stratas, and a few elements of each group are surveyed.
In this problem, the households are divided to represents various locations, ethnic groups, and income brackets, hence, those are the stratas.
Stratified sampling is used because ensures that all segments of the population are represented.
You can learn more about stratified sampling at link