We Hypothesized That Our Sample Mean of 58

question 18

True/False

We hypothesized that our sample mean of 58.5 is larger than the population mean of 52.5. This is can be graphed in the following manner.

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Definitions:

Mesozoic Era

A geological era that occurred between 252 and 66 million years ago, characterized by the dominance of dinosaurs.

Paleozoic

An era in the geologic time scale, occurring from about 541 million to 252 million years ago, noted for the early development of life on Earth.

Crinoids

Marine animals belonging to the class Crinoidea, characterized by a mouth on the top surface surrounded by feeding arms, part of the echinoderm phylum.

Trilobites

Extinct marine arthropods with a segmented body and calcified exoskeleton, prevalent from the Cambrian to the Permian period.