Refer to the Table

question 41

Multiple Choice

Refer to the table.
In a series of experiments, a researcher repeatedly measures the mean resident time for phosphate to be approximately 6 years. What ecosystem type is the researcher studying?

• A) Tropical rainforest
• B) Temperate coniferous forest
• C) Boreal forest
• D) Temperate deciduous forest

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Definitions:

Simple Random Sample

An element of a statistical population where each member has an equal chance of being included.

Sample Proportion

The fraction of items in a sample that have a particular attribute, used as an estimate of the proportion in the full population.

Population Proportion

The ratio of members in a population who have a certain attribute to the total number of members in the population.

Equal Chance

The principle or condition ensuring that all outcomes or members of a group have the same probability of occurrence or selection.