According to the 2010 U

question 30

Essay

According to the 2010 U.S. Census, 11.7% of the people in the state of Oregon were Hispanic or Latino. A political party wants to know how much impact the Hispanic and Latino vote will have, so they wonder if that percentage has changed since then. They take a random sample of 853 adults in Oregon and ask, among other things, their race. 113 of the people surveyed were Hispanic or Latino. Can the political party conclude that the Hispanic proportion of the population has changed since 2010?
-Was your test one-tail upper tail, lower tail, or two-tail? Explain why you chose that kind of test in this situation.

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Definitions:

Microbial Heterotrophs

Microorganisms that obtain their energy by consuming organic matter, as opposed to producing it themselves.

Pyramids of Numbers

A graphical representation showing the number of organisms at each trophic level in an ecosystem.

Biomass

The total mass of organisms within a given area or ecosystem at a given time, often used as an energy resource.

Gross Primary Productivity

The total amount of solar energy that photosynthetic organisms capture and convert to organic compounds in a given area over a certain period.