According to This Graph, Which Shows Water Balance for the Ogallala

question 24

Multiple Choice

According to this graph, which shows water balance for the Ogallala aquifer, which of the following statements are true?

• A) More water is taken out of the aquifer than is gained from recharge.
• B) Less water is taken out of the aquifer than is gained from recharge.
• C) Springs and rivers take out more water than does pumping.
• D) As the aquifer dewaters, it expands, increasing the amount of pore space in which to store water.

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Definitions:

Observed Frequencies

The actual number of occurrences of each possible outcome of a variable recorded in a dataset, often used in the context of chi-square tests and frequency distributions.

Expected Frequencies

The anticipated count of occurrences across different categories in a probability distribution based on a theoretical model.

Alternative Hypothesis

The hypothesis that suggests there is a significant difference or effect, in contrast to the null hypothesis.

Expected Frequency

The theoretical frequency of an event occurring in a set of trials, calculated based on the probability of the event.