3 years ago

In a study, the sample is chosen by dividing the population by Gender, and choosing 30 people of each

Mathematics

1 answer:

Slav-nsk [51]3 years ago

3 0

Answer: Stratified

Step-by-step explanation:

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3x+2y=10<br> 12x+5y=25<br><br> Solve by substitution or elimination

zaharov [31]

3x + 2y = 10 ....multiply by -4
12x + 5y = 25
-------------------
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------------------add
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