Identify the Type of Data Stored in Data Warehouses and How

question 20

Essay

Identify the type of data stored in data warehouses and how organizations use it. Use the terms "snapshot" and "data mining" in your answer.

Identify and describe various glacial deposits (e.g., eskers, moraines).

Recognize the impact of glaciers on landscapes (e.g., U-shaped valleys, drumlins).

Understand the relationship between glaciers and climate change.

Describe the geological evidence of past glaciation.

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Definitions:

Spearman Rank

It's a method for assessing rank correlation without assuming any parameter, focusing on how a monotonic function might accurately describe the connection between two variables.

Ordinal Variables

Variables that represent categories with a meaningful order but without a fixed interval between categories, such as rankings or levels of satisfaction.

Pearson's Coefficient

A measure of the linear correlation between two variables, ranging from -1 to 1, where 1 means a perfect positive linear relationship and -1 a perfect negative linear relationship.

Spearman Rank

A rank correlation metric that is non-parametric and evaluates the extent to which two variables' association can be explained through a monotonic function.