P CAIC 2 Chap. 21-25 Flashcards

(17 cards)

1
Q

What does variance measure?

A

Variance measures the variability of the numbers or observations from the average or the mean of that same set of numbers or observations.

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2
Q

What is standard deviation?

A

Standard deviation is simply the square root of the variance.

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3
Q

What does a low standard deviation indicate?

A

A low standard deviation means data is clustered around the mean.

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4
Q

What does a high standard deviation indicate?

A

A high standard deviation indicates data is more spread out.

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5
Q

What is a confidence interval?

A

A confidence interval is the range of values you expect your estimate to fall between for a certain percentage of the time if you rerun your experiment or re-sample the population similarly.

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6
Q

What prediction did Nate Silver make in the 2012 presidential election?

A

Nate Silver correctly predicted Barack Obama’s victory and the outcome of the presidential contest in all 50 states.

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7
Q

What was the predicted probability of Republicans gaining control of the Senate in 2022?

A

Nate Silver predicted a 58.5% probability that the Republicans would gain control of the US Senate by taking 51 or more seats.

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8
Q

What is the significance of false positives and false negatives in AI models?

A

False positives and false negatives are critical obstacles faced by AI models, contributing to confirmation bias.

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9
Q

What does the Value Engineering Framework do?

A

The Value Engineering Framework deconstructs an organization’s strategic business initiative into its supporting components and data and AI analytics requirements.

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10
Q

What are the three high-level steps of the Value Engineering Framework?

A
  1. Understand how your organization creates value. 2. Drive collaboration across stakeholders to identify specific use cases. 3. Define how the organization measures value creation effectiveness.
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11
Q

What is the Value Definition Design Canvas?

A

The Value Definition Design Canvas is a living document that captures information about a business initiative, including KPIs, desired outcomes, potential benefits, and obstacles.

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12
Q

What are analytic profiles?

A

Analytic profiles are key-value stores that facilitate the capture, sharing, reuse, and continuous refinement of individual entities’ analytic scores.

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13
Q

What is cloud computing?

A

Cloud computing allows for the delivery of computing services over the internet, enabling flexible resources and economies of scale.

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14
Q

What is the significance of AWS in cloud computing?

A

AWS is the undisputed market leader in cloud computing, with a strong position that is unlikely to change in the near future.

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15
Q

What is the JEDI contract?

A

The JEDI contract is a $10 billion 10-year cloud computing contract awarded by the Pentagon, which makes switching vendors difficult.

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16
Q

What is a hypervisor?

A

A hypervisor creates a logical separation between virtual machines (VMs) and provides each with a slice of available resources, ensuring they do not interfere with each other.

17
Q

How does cloud computing support high-availability applications?

A

Cloud computing allows for high-availability applications without paying for additional infrastructure by starting additional resources only when necessary.