Mathematics, 08.11.2020 04:50, candancejc8942

How many of the following statements is/are correct? -Two variables are said to be confounded when their effects on the response cannot be separated
-The purpose of an observational study is to avoid confounding and to establish causation
- A specific set of experimental conditions applied to the units is called a treatment.
-Matched pairs design is one of the simple and common type of observational studies.
Select one:
a. 3
b. 0
c. 2
d. 4
e. 1

Answers: 1

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How many of the following statements is/are correct? -Two variables are said to be confounded when...