Notes, summaries, assignments, exams, and problems for Baccalaureate

Covariance

Covariance measures the directional relationship between the returns on two assets. A positive covariance means that asset returns move together, while a negative covariance means they move inversely.

Scatter Diagram

A scatter diagram is used to examine the relationship between both the axes (X and Y) with one variable. In the graph, if the variables are correlated, then the points drop along a curve or line. A scatter diagram or scatter plot gives an idea of the nature of the relationship. These relationships can include:

• Perfect positive correlation
• Perfect negative correlation
• High degree of positive correlation
• High degree of negative correlation
• Low degree of positive correlation
• Low degree of negative correlation
• No correlation

Karl Pearson

COLEGIO LEONARDO DA VINCI

• INFANTIL
• PRIMARIA
• SECUNDARIA
• BACHILLERATO
• INICIO

¡Hola, Muy Buenas!

Noticias Destacadas

COMIENZAN LOS EXÁMENES DE LA PRIMERA EVALUACIÓN.

EL BAILE DE DISFRACES DE HALLOWEEN FUE TODO UN ÉXITO.

LOS ALUMNOS PIDEN VER LOS PARTIDOS DE ESPAÑA EN CLASE.

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1. Communication Preferences and Technology

Social Interactions

• I rely on text messaging more than phone calls.
• I can manage on my own.
• Don't post this photo.
• They share stories on their blogs.
• Don't upload that video to YouTube.
• Readers, please comment and let me know what you think.
• She's active on three social media sites.

Technology Challenges

• You can't view this file in the correct format without special software.
• Let's meet face to face.
• Did they inform you of their decision?

2. Grammar and Vocabulary

Common Errors

• Please check your essay for punctuation.
• The news was thrilling.
• Having your teeth checked will be painless.
• This old CD player is useless.
• There's been an improvement.

3. Modern Communication and Personal Challenges

Communication in the Digital

Managerial roles: Interpersonal role: Figurehead, leader, liaison, Informational role: Monitor, disseminator, spokesman, Decisional role: Entrepreneur, Troubleshooter, Resource Allocator, negotiator.

The Vroom and Yetton Approach: Leadership theory that provides a set of rules for determining the form and amount of individual or participatory decision making in different situations. Leading model participation: Autocratic A1: The manager decides using available information. Autocratic A2: Manager gets information from the subordinate and decides. Consultative C1: The problem is shared with each subordinate, Consultative C2: The decision may or may not reflect the influence of the subordinates. Collaborative G2: The problem is shared with the... Continue reading "Managerial Roles and Decision-Making Models" »

Introduction

Our educational workbook is on Schizophrenia. My name is Rachelle and I am the leader of our project. (*introduce class members)

• Anna will now tell you what Schizophrenia is.

This information is important for patients and caretakers to remember to keep all doctor appointments, write any questions prior to going so they are not forgotten and always talk to the health care provider regarding all questions and concerns.

• Candace will now tell you what causes Schizophrenia.

This is a fun crossword regarding mental health.

• Antoinette will now tell you the age of onset in schizophrenia

This is a coloring activity that I included to color "how you feel." It is hard to know exactly how a patient with schizophrenia feels so you can ask therapeutic... Continue reading "Understanding Schizophrenia: Educational Workbook" »

A

Arise > Arose > Arisen > Surgir, Levantarse
Awake> Awoke > Awoken > Despertarse
Be > Was/Were > Been > Ser / Estar

B

Bear> Bore > Borne/Born > Soportar, dar a luz
Beat> Beat > Beaten > Golpear
Become> Became > Become > Llegar a Ser
Begin> Began > Begun > Empezar
Bend> Bent > Bent > Doblar
Bet> Bet > Bet > Apostar
Bind > Bound > Bound > Atar, encuadernar
Bid > Bid > Bid > Pujar
Bite> Bit > Bitten > Morder
Bleed > Bled > Bled > Sangrar
Blow > Blew > Blown > Soplar
Break > Broke > Broken > Romper
Breed > Bred > Bred > Criar
Bring > Brought > Brought > Traer/Llevar
Broadcast > Broadcast >... Continue reading "Complete List of Irregular Verbs in English" »

English Grammar Cheat Sheet

Verb Tenses

Present Simple

Use: routines, permanent situations

Form:

• verb + -s (third person singular)
• do/does + not + verb (negative)
• Do/Does + subject + verb? (question)

Present Continuous

Use: actions happening right now, actions happening in the future (arranged)

Form: am/is/are + verb + -ing

Present Perfect

Use:

• Actions that started in the past and continue in the present
• Actions completed in the past, but we don't say when
• Recent past actions

Form: have/has + past participle (-ed)

Present Perfect Continuous

Use:

• Actions that started in the past and have not finished
• Actions that happened repeatedly in the past and have an effect in the present
• To say how long an action has been in progress

Form: have/has + been + verb + -ing

Past

What is Psychology?

Psychology, derived from the Greek words "psyche" (soul) and "logos" (study of), is a complex field to define. It is the scientific study of mental processes, experiences, and behavior in various contexts.

Mental Processes

Mental processes involve activities like problem-solving, remembering, knowing, and learning. These are the internal mechanisms of the mind at work.

Experiences

Experiences are subjective and personal. Only the individual experiencing them can be fully aware of their nature. These experiences are embedded in our consciousness and are influenced by both internal and external factors.

Behavior

Behavior encompasses the responses, reactions, and activities we engage in. Some behaviors are overt and observable, while... Continue reading "Understanding Psychology: Mind, Behavior, and Perspectives" »

13 Reasons Why: Unveiling the Mystery

A Dramatic Twist on Suicide

Imagine waking up to find mysterious audio cassette tapes at your doorstep. This intriguing premise sets the stage for 13 Reasons Why, a captivating series directed by Diana Son and Brian Yorkey.

Unwinding the Tapes of Truth

The series revolves around a young woman who takes her own life, leaving behind a collection of cassette tapes detailing the thirteen reasons behind her tragic decision. Each side of a tape reveals a person and a reason, unraveling a complex web of relationships and hidden truths.

A Chain of Whispers

As the protagonist listens to the tapes, the story unfolds, revealing the individuals who played a role in her life's final chapter. The tapes are passed from one... Continue reading "13 Reasons Why: A Gripping Tale of Mystery and Drama" »

Introduction: hacer introducción general del tema, Ej: Some people claim/believe/say (algunas personas afirman/creen/dicen), It is sometimes said (a veces se dice) Arguments in favor: damos argumentos de lo que apoyemos (poner unos cuantos) Ej: Let me start by saying (déjame empezar diciendo), On the one hand (por un lado). Arguments against: si no es lo que defiendes poner pocos Ej: On the other hand...(por otra parte), Secondly (en segundo lugar) Conclusion: poner tu opinión Ej: In conclusión (en conclusion).EXPRESSIONS: However (sin embargo), still (todavia) though (aunque), that (que) while (mientras que) In fact (de hecho) actually (actualmente) owing to (debido a) bebidas (además). INTRODUCCIÓN: Las personas suelen estar acostumbradas