The answer is <u>"c. a confounding variable is an explanatory variable that was considered in a study whose effect cannot be distinguished from a second explanatory variable in the study."</u>
A confounding variable is an outside impact that progressions the impact of a dependent and independent variable. This superfluous impact is utilized to impact the result of an exploratory plan. Just, a confounding variable is an additional variable went into the condition that was not represented. Confounding variables can destroy an analysis and deliver pointless outcomes. They propose that there are connections when there truly are most certainly not. In an examination, the independent variable by and large affects the dependent variable.
earthquakes are natural
diseases are both
and oil spills are caused by humans
Answer:
They are reapportioned based on information in the census.
Explanation:
Answer:
the moon is not close enough to the sun to make a big enough shadow
Explanation:
Answer:
<u>b. no, this does not need to be reported since it is unrelated to participation in the study.</u>
Explanation:
The research in conducting a focus group to learn about hygiene and disease prevention but the subject having a heart attack does't count as part of the research.
