What Evidence of Water on Ancient Mars Was Discovered by the Opportunity

question 21

Multiple Choice

What evidence of water on ancient Mars was discovered by the Opportunity rover?

• A)Fossils of marine organisms
• B)Hematite deposits
• C)Ancient coral reefs
• D)Disturbed terrain caused by tidal waves

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Definitions:

Margin of Error

The maximum amount by which the sample results are expected to differ from the true population value.

Normally Distributed

Describes a distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean.

Standard Deviation

A measure of the amount of variation or dispersion of a set of values from the mean.

Skewed

Skewed describes a distribution that is asymmetrical, where its tail extends more on one side than the other, often used in statistical data analysis.