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# Video Lecture 2: Descriptive Statistics

Summary: This video lecture is designed as a supplement to the Descriptive Statistics chapter of Collaborative Statistics (col10522) by Barbara Illowsky and Susan Dean. In this chapter, students can expect to learn how to display data graphically and interpret graphs; recognize, describe and calculate the measures of location of data such as quartiles and percentiles; recognize, describe, and calculate the measures of the center of data; and recognize, describe, and calculate the measures of the spread of data.

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PDF | EPUB (?)

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'My Favorites' is a special kind of lens which you can use to bookmark modules and collections. 'My Favorites' can only be seen by you, and collections saved in 'My Favorites' can remember the last module you were on. You need an account to use 'My Favorites'.

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#### Definition of a lens

##### Lenses

A lens is a custom view of the content in the repository. You can think of it as a fancy kind of list that will let you see content through the eyes of organizations and people you trust.

##### What is in a lens?

Lens makers point to materials (modules and collections), creating a guide that includes their own comments and descriptive tags about the content.

##### Who can create a lens?

Any individual member, a community, or a respected organization.

##### What are tags?

Tags are descriptors added by lens makers to help label content, attaching a vocabulary that is meaningful in the context of the lens.

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