Answer:
Predators
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Random <u>selection </u>ensures that a sample is representative of the population. random <u>assignment </u>ensures that participant characteristics are equivalent across groups.
<h3>What is a representative sample?</h3>
Representative samples are little amounts or components that are a part of a bigger group or organization. It shares the same characteristics as the bigger population it represents.
Consider a company in Germany's Bavaria that is going to launch a new service or product. It would be difficult for the company to poll every Bavarian to determine how they felt about the launch. As an alternative, researchers can compile a small sample from various locations in Bavaria that will serve as a representative sample of the local populace. After that, a survey will be given to the respondents to gather their comments on the good or service. A "representative sample" is the term used to describe this selection of Bavarian individuals.
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Answer:
d). they base their conclusions on models that make different assumptions.
Explanation:
Economist are persons who studies economics and the past historical trends and then make them to forecast the future trends. Basically an economists analyzes the issues including consumer demand or sales to help an organization maximize the profits.
When an economist is given two different government policies and is ask to choose between them, they tend to disagree because economist generally make their conclusions on the basis of their models which end up in having different assumptions.
Models help the economist to predict and explain the economic behavior in the real world.
Hence the answer is (d)
The most important producer in both freshwater and marine ecosystems is phytoplankton.
Answer:
A. Yes, but only because the husband is dead and cannot invoke his privilege.
Explanation:
Since the husband is dead, spousal privilege between them is broken and thus the woman can be compelled to testify. There are to privileges related to marriage; privilege for confidential marital communication, under this privilege, a spouse is not permitted to disclose confidential communications made between the couple and this privileges stands even after divorce and Spousal immunity which prevents a married person from testifying or witnessing against a spouse in a trial.
