Statistics and Data Security Fundamentals
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Questions and Answers

Which statement accurately describes the relationship between a population and a sample in statistical analysis?

  • A population and a sample are identical when the sample size equals the population size.
  • A sample is a subset of a population, used to estimate characteristics of the larger group. (correct)
  • A sample is always larger than the population to ensure accurate statistical inferences.
  • A population is a subset of a sample, used to infer characteristics of the larger group.

In hypothesis testing, what does the p-value represent?

  • The probability that the alternative hypothesis is false.
  • The probability that the null hypothesis is true.
  • The significance level chosen for the hypothesis test.
  • The probability of observing a test statistic as extreme as, or more extreme than, the one computed if the null hypothesis is true. (correct)

When is it most appropriate to use a t-test instead of a z-test?

  • When comparing proportions between two groups.
  • When the sample standard deviation is unknown. (correct)
  • When the population standard deviation is known.
  • When the sample size is large (e.g., $n > 100$).

Which of the following is a potential consequence of failing to reject a false null hypothesis?

<p>Type II error (B)</p> Signup and view all the answers

A researcher is studying the effect of a new drug on blood pressure. They measure blood pressure before and after administering the drug to each participant. Which statistical test is most appropriate to analyze the data?

<p>Paired samples t-test (C)</p> Signup and view all the answers

A company's IT infrastructure suffers a major data breach. Which of the following actions should be prioritized first according to incident response best practices?

<p>Begin forensic analysis and data collection to understand the scope and cause of the breach. (A)</p> Signup and view all the answers

An organization wants to implement a control to prevent unauthorized access to sensitive data. Which of the following controls would be MOST effective in achieving this goal?

<p>Implementing multi-factor authentication. (B)</p> Signup and view all the answers

During a penetration test, a security analyst discovers an unencrypted database containing personally identifiable information (PII). What is the MOST critical immediate step the organization should take?

<p>Apply encryption to the database and restrict access. (D)</p> Signup and view all the answers

An organization is developing a new web application. Which of the following security practices should be integrated into the software development lifecycle (SDLC) to minimize vulnerabilities?

<p>Implementing code reviews and static analysis during development. (A)</p> Signup and view all the answers

A security analyst observes a large number of failed login attempts originating from a single IP address targeting multiple user accounts. Which of the following security controls would be MOST effective in mitigating this type of attack?

<p>Implementing account lockout policies. (D)</p> Signup and view all the answers

Which action by Prime Minister George Grenville most directly contributed to colonial discontent in North America?

<p>Strictly enforcing the Navigation Laws and enacting the Sugar Act to raise revenue in the colonies. (A)</p> Signup and view all the answers

Which of the following best describes the core grievance expressed in Benjamin Franklin's verse about the 'old mother'?

<p>The British imposition of taxes without colonial consent, disregarding their maturity and autonomy. (B)</p> Signup and view all the answers

What was the primary reason Britain decided to redefine its relationship with the North American colonies after the Seven Years' War?

<p>To alleviate the immense debt incurred during the war, partly from defending the colonies, by extracting revenue from them. (B)</p> Signup and view all the answers

What did Edmund Burke mean when, in 1775, he warned that America would soon rival the commerce of the entire world?

<p>The colonies, unless given greater autonomy, would seek independence and become a major economic force. (A)</p> Signup and view all the answers

How did colonial assemblies respond to the Quartering Act, and what did their response signify?

<p>They resisted compliance or only partially met the requirements, indicating their opposition to British authority and taxation without consent. (D)</p> Signup and view all the answers

A software development team is using a CI/CD pipeline. After a developer commits code, the automated build fails. What is the MOST likely first step the team should take to address this?

<p>Investigate the failed build logs to identify the cause of the failure. (B)</p> Signup and view all the answers

You're designing a system that requires high availability and fault tolerance. Which architectural pattern would BEST support these requirements?

<p>Microservices architecture with multiple instances of each service. (B)</p> Signup and view all the answers

A team is adopting infrastructure as code (IaC). What is a PRIMARY benefit they can expect from this practice?

<p>Increased consistency and repeatability in infrastructure provisioning. (D)</p> Signup and view all the answers

Which of the following is the MOST important consideration when designing a RESTful API?

<p>Adhering to the principles of stateless communication. (D)</p> Signup and view all the answers

A company is deciding whether to invest in a new project. Which factor would most likely decrease the net present value (NPV) of the project?

<p>Increasing the initial investment required for the project. (C)</p> Signup and view all the answers

What is the primary difference between managerial accounting and financial accounting?

<p>Financial accounting focuses on historical data, while managerial accounting emphasizes future projections and decision-making. (A)</p> Signup and view all the answers

A development team is experiencing slow build times. Which of the following strategies would MOST effectively address this issue?

<p>Implementing caching mechanisms for dependencies and build artifacts. (C)</p> Signup and view all the answers

A project manager is creating a resource management plan. Which of the following elements is MOST critical to include for effective resource allocation and utilization?

<p>Clearly defined roles and responsibilities with corresponding skill requirements for each project task. (B)</p> Signup and view all the answers

A company's balance sheet shows total assets of $500,000 and total liabilities of $300,000. If the company's net income for the year is $50,000 and it paid out $20,000 in dividends, what is the ending balance of owners' equity?

<p>$230,000 (C)</p> Signup and view all the answers

During the execution phase of a project, a team member reports that they cannot complete their assigned task due to a lack of necessary skills. According to the PMBOK guide, what is the project manager's BEST course of action to address this issue?

<p>Assess the skill gap, provide necessary training or coaching, and adjust the project schedule as needed. (D)</p> Signup and view all the answers

Which of the following is an example of a sunk cost that should be excluded from decision-making?

<p>The original purchase price of equipment that is currently being used in production. (B)</p> Signup and view all the answers

A company is considering automating a part of its production process. The new equipment costs $100,000 and is expected to save $30,000 per year in labor costs. However, it will increase annual maintenance costs by $5,000. What is the payback period for this investment?

<p>4 years (B)</p> Signup and view all the answers

Which of the following statements BEST describes the primary difference between a resource breakdown structure (RBS) and a work breakdown structure (WBS)?

<p>An RBS categorizes project resources, while a WBS decomposes project work into manageable components. (A)</p> Signup and view all the answers

A project team is consistently facing conflicts over resource allocation, leading to delays and decreased productivity. What project management technique would be MOST effective in resolving these conflicts and optimizing resource utilization?

<p>Developing a responsibility assignment matrix (RAM) to clearly define roles and responsibilities. (A)</p> Signup and view all the answers

In a matrix organizational structure, a project manager is experiencing difficulty securing the necessary resources from functional managers. Which strategy would be MOST effective for the project manager to improve resource acquisition and commitment?

<p>Negotiate with functional managers, emphasizing the project's strategic importance and potential benefits. (C)</p> Signup and view all the answers

What was a significant consequence of Britain's victory in the Seven Years' War?

<p>Increased British debt and a desire to compel the American colonists to share the financial burden. (A)</p> Signup and view all the answers

Why might it be considered surprising that the American Revolution occurred?

<p>Given the increasing commercial, military, and cultural connections between the colonies and Britain. (D)</p> Signup and view all the answers

What did the American colonists initially seek before desiring complete separation from Britain?

<p>The 'rights of Englishmen'. (D)</p> Signup and view all the answers

How did the British acquire their empire, particularly the original thirteen colonies?

<p>In a somewhat unplanned manner, largely through the efforts of trading companies, religious groups, and land speculators. (A)</p> Signup and view all the answers

According to mercantilist theory, how could a country's economic wealth be measured?

<p>By the amount of gold and silver in its treasury. (B)</p> Signup and view all the answers

What advantages did colonies provide to the mother country under the mercantilist system?

<p>They supplied raw materials and provided a guaranteed market for exports. (B)</p> Signup and view all the answers

What was the primary target of the Navigation Law of 1650?

<p>Dutch shippers involved in American trade. (D)</p> Signup and view all the answers

According to Adam Smith, what is violated when a people are prohibited from making the most of their produce and industry?

<p>The sacred rights of mankind. (C)</p> Signup and view all the answers

How did colonial assemblies typically respond to the Quartering Act?

<p>They defiantly refused to comply or only approved a fraction of the required supplies. (A)</p> Signup and view all the answers

Which aspect of the Stamp Act was MOST objectionable to the colonists beyond the economic burden?

<p>The provision for offenders to be tried in admiralty courts without juries. (B)</p> Signup and view all the answers

What was the significance of the cry, "No taxation without representation," beyond its literal meaning?

<p>It encapsulated the broader sentiment of being denied historic liberties and self-governance. (B)</p> Signup and view all the answers

Grenville viewed the Stamp Act and other revenue measures as reasonable because:

<p>They were intended to make Americans pay their fair share of the costs for their own defense. (A)</p> Signup and view all the answers

The Massachusetts House of Representatives expressed that taxation without consent was preferable to representation in Parliament because:

<p>They feared the expense and ineffectiveness of being adequately represented in Parliament. (B)</p> Signup and view all the answers

What was the primary purpose of the Stamp Act?

<p>To raise revenue to support the new military force in the colonies. (C)</p> Signup and view all the answers

How did the lowering of duties in the West Indies relate to the growing tensions in the American colonies?

<p>It inadvertently increased colonial resentment as it highlighted disparate treatment compared to the mainland colonies. (D)</p> Signup and view all the answers

What did the Stamp Act mandate?

<p>The use of stamped paper or affixed stamps for various documents and items. (B)</p> Signup and view all the answers

How did currency shortages impact the daily economic activities of colonists?

<p>Colonists increasingly relied on barter with goods like butter and nails for everyday transactions. (B)</p> Signup and view all the answers

Why did the British policy of nullifying colonial legislation cause resentment among colonists, even though it was infrequently used?

<p>It symbolized British disregard for colonial self-governance and fostered a sense of injustice. (B)</p> Signup and view all the answers

What was the main purpose of the Navigation Laws according to the British?

<p>To ensure that Britain benefited from colonial commerce and trade. (B)</p> Signup and view all the answers

How did colonists respond to the restrictions imposed by the Navigation Laws before 1763?

<p>They frequently evaded or disregarded the laws through smuggling. (C)</p> Signup and view all the answers

What direct effect did the requirement that certain American products be shipped exclusively to Britain have on colonial merchants?

<p>Forced them to accept potentially lower prices compared to what they could obtain elsewhere. (A)</p> Signup and view all the answers

Which of the following best describes the impact of restricted currency policies on the relationship between Britain and its American colonies?

<p>Exacerbated tensions due to perceived economic suppression. (D)</p> Signup and view all the answers

What was the British rationale behind requiring European goods destined for America to first be landed in Britain?

<p>To collect tariff duties and allow British middlemen to profit. (B)</p> Signup and view all the answers

How did the British restriction on colonial paper money contribute to the growing discontent in the American colonies?

<p>It hindered the colonies' ability to manage their own finances and address economic needs. (B)</p> Signup and view all the answers

What does the quote from The Boston Gazette suggest about colonial attitudes toward British economic policies?

<p>The colonists resented British control over their economic activities and manufacturing. (C)</p> Signup and view all the answers

Why might Britain's enforcement of mercantilist policies after 1763 have been considered a 'jolting shock' to the American colonists?

<p>Because it represented a sudden and unexpected change from a period of relative autonomy. (B)</p> Signup and view all the answers

Flashcards

Post-Seven Years' War Challenges

Territorial expansion after the Seven Years' War created the need for Britain to manage a larger empire and its associated costs.

Reluctant Revolutionaries

The idea that Americans initially sought to maintain their rights as British citizens, not to separate.

America as a Revolutionary Force

The colonies fostered new ideas about society, citizens, and governance.

Mercantilism

An economic theory where a country's wealth is measured by its gold and silver reserves.

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Colonial Role in Mercantilism

Colonies provide raw materials and serve as a guaranteed market for exports benefitting the mother country.

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Navigation Law of 1650

Aimed to restrict Dutch shipping by requiring goods to be transported on British or colonial ships.

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Adam Smith's Critique

Forbidding people from maximizing their produce violates their rights.

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Colony foundation

The British government did not formally establish the thirteen colonies, except for Georgia.

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Navigation Laws

British laws restricting colonial trade to benefit the mother country.

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Sugar Act of 1764

Act passed to raise tax revenue in the colonies for the British crown.

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Quartering Act

Act requiring colonists to provide housing and supplies for British troops.

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Salutary Neglect

British policy of avoiding strict enforcement of parliamentary laws meant to keep American colonies obedient to England.

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British Control

After 1763, Britain tried to control American colonists more tightly.

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Enumerated Products

Certain colonial products, like tobacco, that could only be shipped to Britain.

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Currency Shortage

Colonies faced shortage as gold/silver flowed to Britain to cover trade deficits.

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Paper Money Depreciation

Colonial paper money lost value, British merchants unhappy and forced Parliament to act.

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Currency Restrictions

Parliament prohibited colonies from issuing paper money or passing bankruptcy laws that harmed British merchants.

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Royal Veto

The British crown could cancel colonial laws if they interfered with mercantilism.

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Loose Enforcement

Laws that restricted colonial trade, but were often loosely enforced before 1763

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Colonial Smuggling

Colonists avoided Navigation Laws through illegal importing and exporting.

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Mercantilist System

An economic system aimed at increasing a nation's wealth and power by controlling trade.

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Navigation Acts

Acts passed by Britain to control colonial trade and ensure economic benefits for the mother country.

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Sugar Act

An act that increased duties on foreign sugar imported from the West Indies.

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Enumerated Goods

Goods that could only be shipped to England before being re-exported to other destinations.

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Smuggling

Colonial merchants engaged in illegal trade to bypass British restrictions and increase profits.

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Writs of Assistance

Legal documents allowing customs officers to conduct searches without warrants.

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Stamp Act of 1765

A tax on printed materials in the colonies.

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Committees of Correspondence

Assemblies formed throughout the colonies to resist British policies.

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Declaratory Act

Asserted Parliament's right to legislate for the colonies.

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Townshend Acts

Indirect taxes on goods imported to the colonies.

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Intolerable Acts

Response to Tea Act; closed Boston harbor.

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Quartering Act of 1765

Required colonies to provide housing and supplies for British troops.

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Stamp Act

Tax imposed on various paper goods and documents in the colonies.

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Grenville's Legislation

British legislation that seemed to threaten colonists' rights as Englishmen.

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Admiralty Courts

Courts where offenders were tried without juries, burden of proof on defendant.

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"Innocent until proved guilty"

Principle violated by the Stamp Act, angering colonists.

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"No taxation without representation"

Colonial protest slogan against taxation without representation in Parliament.

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West Indies duties lowered

Lowered duties substantially in the West Indies.

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Stamped Paper

Required the use of stamped paper or affixing of stamps, certifying the payment of tax.

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Stamp Act (1765)

A tax on printed materials in the colonies, intended to raise revenue for Britain.

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Sons (and Daughters) of Liberty

Colonial protest group that used intimidation and violence to oppose British policies.

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Boston Massacre

Incident in 1770 in which British soldiers fired on a crowd of colonists, resulting in several deaths.

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Tea Act (1773)

Act by British Parliament allowing the British East India Company to sell tea directly to the colonies, undercutting colonial merchants.

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