4804070365 4804070365

03-02-2021
Mathematics

contestada

Which of the following can be used to show a cause-and-effect relationship between two variables?

A census
An experiment
An observational study
A sample survey
A cross-sectional survey

Respuesta :

jaqi1705 jaqi1705

03-02-2021

Answer:

A controlled experiment.

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aprilmchardy aprilmchardy

10-03-2021

Answer:

a sample survey

Answer Link

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