Stratified random sampling is used to subdivided into groups by volume of sales.
According to the statements
Manufacturers are subdivided into groups by volume of sales. and for this Stratified random sampling is used.
Stratified random sampling is the technique used divide the population can be partitioned into subpopulations.
Thus, Stratified random sampling is used to subdivided into groups by volume of sales.
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Answer:
D
Step-by-step explanation:
Because they are opposite of each other
Answer:
Step-by-step explanation:
Factor out (y-9)
(y-9)(2y^2 -5)
Answer:
7000
Step-by-step explanation:
10^3=1000
1000*7=7000
Answer:
13
Step-by-step explanation:
8--5 = 8 + 5 = 13