What Did the Mars Rover Opportunity Discover on Mars That

question 70

Multiple Choice

What did the Mars rover Opportunity discover on Mars that relates to questions about the existence of water on Mars?

• A)The rover found liquid water emerging from a spring,freezing to ice.
• B)The rover found ice in the soil.
• C)The rover found sedimentary rocks that contained minerals that could only have formed by precipitation from water.
• D)The rover found no evidence of water ever having been on Mars.

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Definitions:

Statistical Analysis

The process of collecting, reviewing, and interpreting data to discover underlying patterns and trends.

Aggregate Data

consists of data combined from several measurements, making it possible to provide statistical analysis on a larger scale.

Experimental Design

A methodological layout of research where variables are manipulated to determine their effect on a dependent variable under controlled conditions.

Hypothesis Testing

A statistical method used to determine the likelihood that a hypothesis about a data set is true, based on sample data.