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Margaret [11]
3 years ago
12

In which type of statistical study is the population influenced by researchers?

Mathematics
2 answers:
Mariulka [41]3 years ago
6 0

Answer: observational study

Step-by-step explanation:

The main purpose of an observational study is to describe a group of individuals or to investigate an association between two variables. We can answer questions about a population with an observational study. Hope it helps you if not sorry

Tema [17]3 years ago
5 0

Answer:

literacy rate

Step-by-step explanation:

reasearchers know hot to read and write

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Step-by-step explanation:

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What is the solution to the system x+ y =4 and 2x - y = -1
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Step-by-step explanation:

hello :

the system is :  x+ y =4 ...(*)

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dolphi86 [110]

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Step-by-step explanation:

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