Taymonroe
contestada

Which of the following is not a characteristic of both surveys and
observational studies?
O
A. The researcher does not control or change the population.
O
B. Results are not used to prove cause and effect.
O
C. Data are collected about a population.
O
D. The researcher exercises direct control over at least one variable.

Respuesta :

Answer:the answer is d

Step-by-step explanation:

A p e x

Option C is not a characteristic of both surveys and

observational studies.

What is the characteristic of both surveys and observational studies?

There are three major types of statistical studies: observational studies, surveys, and experiments.

▫ An observational study records the values of variables for members of a sample.

▫ A survey is a type of observational study that gathers data by asking people a number of questions.

In Option C we are given that in a survey Data are collected about a population which need not be true every time.

Thus, Option C is the correct answer.

Learn more about Surveys on: https://brainly.com/question/18777329

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