Notes, summaries, assignments, exams, and problems for Other courses

Understanding Variables, Mean, Median, and Sampling Methods

Mathematics3.07 KB

Qualitative Variables

Nominal Variables

Nominal variables are qualitative variables that cannot be ordered in an ascending or descending manner; that is, they cannot be ranked. For example, blood group.

Ordinal Variables

Ordinal variables are variables that can be ordered in an ascending or descending manner; that is, they can be ranked.

Quantitative Variables

Discrete Variables

Discrete variables are variables whose values are obtained by counting.

Continuous Variables

Continuous variables are variables whose values are obtained by measurement using a scale.

Mean

Advantages

  • Has many good theoretical properties
  • Used as the basis of many statistical tests
  • Good summary statistic for symmetrical distribution
  • Easy to calculate
  • Possible for further algebraic treatment

Disadvantages

  • Less
...
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Mastering English Modals, Time Expressions, and Pronouns

Spanish4.74 KB

Mastering Core English Grammar Concepts

This document summarizes essential English grammar points, including modal verbs, time expressions, pronouns, and imperatives, often contrasted with Spanish concepts for clarity.

1. Modal and Auxiliary Verbs

Modal verbs express necessity, possibility, ability, or desire. They are typically followed by the base form of the main verb (the infinitive without "to").

Modal Verb Meanings and Usage

  • May: Expresses permission or possibility (poder por cosas).
  • Can: Expresses ability or possibility.
  • Would: Used for conditional statements or polite requests (often translated as gustaría when paired with 'like').
  • Must: Expresses strong necessity or moral obligation (tengo que, obligación moral).
  • Should: Expresses duty, recommendation,
...
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Locke and Hume: Understanding the Foundations of Knowledge

Philosophy and ethics3.27 KB

Locke's Theory of Knowledge

Locke's theory begins with the rejection of rationalist nativism. He argues against the existence of innate ideas or knowledge in the understanding. If such innate ideas existed, all individuals would possess them from the beginning of their existence, but this is not something we observe.

The understanding is more like a blank slate (tabula rasa).

Classes of Concepts and Ideas

When speaking of "idea", Locke refers to everything we know or perceive.

  • Simple Ideas: These ideas cannot be broken down into others. They are necessarily imposed on the mind, which remains passive. They can be classified as:
    • Ideas of Sensation: These originate from outer experience. They are impressions produced on our external senses by external
...
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Bill of Exchange Fundamentals: Parties, Endorsement, Maturity

Law & Jurisprudence3.76 KB

The Bill of Exchange: Definition and Function

A Bill of Exchange is a document issued by a natural or legal person (the Drawer) ordering another person (the Drawee) to pay a certain amount of money, on the date indicated, to the designated person (the Payee).

A) Parties Involved in the Bill of Exchange

  • Drawer: The person who issues the Bill of Exchange and gives the order to pay the Drawee. It is essential that the Drawer signs the document.
  • Drawee and Acceptor: The Drawee is the person ordered by the Drawer to pay the Bill. When the Drawee accepts the Bill through their signature, they become the Acceptor.
  • Payee/Holder (Tomador/Tenedor): The person designated by the Drawer to receive payment. The Drawee pays the Payee. The Holder of the Bill may
...
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Financial Assets: Shares, Types, and Rights

Economy2.92 KB

Financial Assets

A financial asset is any asset that is: cash, an equity instrument of another enterprise, or involves a contractual right to receive cash or another financial asset, or to exchange financial assets or liabilities with another party under potentially favorable conditions. They are also classified as a financial asset, any contract that may be or will be settled with equity instruments themselves, provided that:

  • a) If it is derived, or may require the entity to accept a variable number of its own equity instruments.
  • b) If it is derived, it cannot be, or will not be, settled by a fixed price for a fixed number of its own equity instruments.

Financial assets include obligations, bonds, notes, and other debt securities acquired; stocks,...

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Human Anatomy: Planes, Axes, Skeleton, and Muscles

Physical Education3.91 KB

ANNEX I: Structural Elements of Movement

For the study of motion within the mechanical dimension, it is referenced to a series of axes and body planes.

In EF, the plan is a representation of a flat (two-dimensional) image that passes through the body in its anatomical position (in bipedal stance with palms forward). The plans may be classified as:

  • Sagittal Plane: Divides the body in an anteroposterior direction along the midline into two equal parts, right and left.
  • Frontal Plane: Divides the body in the lateral direction into two parts, the facial and anterior or posterior or dorsal.
  • Horizontal or Transverse Plane: Divides the body into two halves, upper or lower or cephalic and caudal.

An axis is defined as an imaginary line that passes through

...

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Muscles and Joints: Location and Function

Physical Education3.76 KB

Elbow

  • Flexion
  • Extension
  • Hyperextension
  • Supination
  • Pronation

Wrist

  • Flexion
  • Extension
  • Hyperextension
  • Abduction (left direction)
  • Circumduction

Knee

  • Flexion
  • Slight rotation in flexion
  • Extension

Ankle

  • Flexion
  • Extension
  • Abduction
  • Eversion
  • Inversion

Keystone

(L) Between the neck and the manubrium. (F) Shrugging; works with other muscles to bring the head forward, backward, and to either side.

Sternocleidomastoid

(L) Front side of the neck. (F) Moves the head forward and rotates it; helps with inspiration; joins the skull to the clavicle and sternum.

Deltoid

(L) Upper arm. (F) Raises the arm to shoulder level and helps move it above the head.

Brachial Biceps

(L) Upper arm. (F) Flexes the arm and forearm; aids in wing attachment and detachment to the body's side.

Triceps Brachii

(...

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Legal Procedures: Complaint, Accusation, and Juvenile Justice

Law & Jurisprudence5.45 KB

Understanding Legal Procedures: Complaint, Accusation, and Juvenile Justice

Distinguishing Legal Complaints (Denuncia) and Accusations (Querella)

The Legal Complaint (Denuncia)

A complaint (denuncia) is an act or declaration of knowledge transmitted by a judicial body, the Public Prosecutor, or judicial police, regarding a criminal act. It signifies an obligation to report a crime if one has knowledge of it, especially for security forces and officials.

Types of Crimes Subject to Complaint
  • Public crimes
  • Semi-public crimes
  • Private crimes (e.g., libel and defamation, though these often require a querella)
Who Can File a Complaint?

Any natural person and law enforcement officials. Exemptions apply to:

  • Minors who do not fully possess their reasoning abilities.
...
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Romanesque and Gothic Art: Defining Characteristics and Architectural Styles

Arts and Humanities3.99 KB

Romanesque Art: Historical Context and Characteristics

Romanesque art is framed by three major historical processes:

  • The Millennial Terror: The widespread belief that reaching the year 1000 or 1033 (the death anniversary of Christ) would trigger the Apocalypse.
  • Pilgrimages and Relics: Monasteries became centers attracting devout masses due to the presence of holy relics.
  • Feudalism: Art served as a public display of the majesty of power, emphasizing the superiority of the powerful elite.

Romanesque Architecture

The main building type is the church (Iglesia). There are two main floor plans: Latin cross and basilical.

Structural Elements

  • Supporting Elements (*Elementos Sustentantes*): Thick columns, compound pillars, and buttresses (*contrafuertes*).
  • Supported
...
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20th Century Music: Impressionism, Nationalism, and Digital Era

Music4.05 KB

A Century of Change

The twentieth century broke with Romanticism, introducing different music. World War II found romantic music evolving with more modern forms of composition. In the nineteenth century, musical movements emerged with a new air of France and nationalism.

Impressionism and the Group of Six

The Impressionists sought to create atmospheres and suggestive impressions using new combinations of timbres and harmonies. Principal composer Claude Debussy, with works like The Sea, Clouds, Sirens, and Night. Maurice Ravel, another Impressionist, was a very skilled orchestrator, achieving a winning combination of magical sounds and instruments never before used. He composed the Bolero for orchestra.

In Paris, the Group of Six, admirers of Erik...

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