Igneous Rocks Form from the Cooling and Solidification of Magma

question 55

Short Answer

Igneous rocks form from the cooling and solidification of magma. Sample (A, B, or C)_____ has formed by this process.

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Definitions:

Mean Height

The average height of a group of individuals.

Confidence Interval

A set of values, from sampled data, believed to contain the value of an obscure population parameter.

Sample Mean

The arithmetic average of a set of values sampled from a population, used as an estimate of the population mean.

Confidence Interval

A confidence interval provides a range of values, estimated from sample data, that is likely to contain the value of an unknown population parameter, along with a specified level of confidence.