You Are Standing Above a 20 M High Sea Cliff

question 26

Multiple Choice

You are standing above a 20 m high sea cliff with a large beach below you.All around you is a flat surface with thin soil on a rocky base.In the distance you see another flat bench but it is about 30 m higher than you are.Where are you?

• A)on an uplifted wave-cut terrace along an emergent coastline
• B)on a subsiding coastline where a recent earthquake happened to uplift the seabed
• C)on a dune field behind an active shoreline
• D)You must be on the moon; there is nothing like that on Earth.

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Definitions:

Population

The entire group of individuals or instances about whom we wish to make conclusions in a statistical study.

Standard Deviation

A statistical index that signifies the distribution of data points around the mean of a dataset.

Critical Value

The threshold value that a test statistic must exceed to reject the null hypothesis in a statistical test.

Significance Level

The probability of rejecting the null hypothesis in a statistical test when it is in fact true. It is used to determine the threshold of statistical significance.