Suppose It Was Your Job to Assess the Relative Health

question 51

Multiple Choice

Suppose it was your job to assess the relative health of all the old-growth forests in the Pacific Northwest. What might you do to cover all that ground?

• A) Put together a big team of scientists to go count species
• B) Look for the presence of indicator species or examine satellite photos taken over time
• C) Look at the logging records over time
• D) Look at the number of ecotourists that are visiting the area
• E) There's no way to do this effectively, so you would divide up the territory and look at a few acres at a time.

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Definitions:

Voter Registration

The process by which eligible citizens register or enroll to vote in elections.

Party Affiliation

The political party with which an individual identifies or supports.

Null Hypothesis

A hypothesis that there is no significant difference or effect, often set as a default stance to be tested against an alternative hypothesis.

Chi-square Statistic

A value used to assess how well observed frequencies match expected frequencies, important in evaluating categorical data relationships.