Which Is True of Water Use on the Colorado River

question 10

Multiple Choice

Which is true of water use on the Colorado River?

• A)California has never fully used its share of water.
• B)less water is absorbed by the rocks and evaporates the surface of reservoirs than is alloted to Mexico.
• C)the Colorado River still flows to the ocean.
• D)there are currently eight major dams on the river.
• E)the amount ideally allocated to the United States and Mexico is equal to the average flow.

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Definitions:

Mean

The mathematical average of a set of numbers, calculated by adding them together and dividing by the number of terms in the set.

Descriptive Statistics

Statistical methods that summarize and organize the characteristics of a dataset, including measures like mean, median, mode, and standard deviation.

Range

The difference between the highest and lowest scores in a set of data, indicating the spread of scores.

p < .05

A statistical term indicating that the probability of the observed data, or more extreme, if the null hypothesis were true, is less than 5%, often used as a threshold for statistical significance.