A New CEO of Has Just Completed a First Data

question 142

Multiple Choice

A new CEO of has just completed a first data mining project.The analysis did not provide much useful information because not all departments reported and because of an overall smaller than expected sample size.To which characteristics of big data do these issues refer?

• A)Variety and volume
• B)Veracity and descriptive analysis
• C)Value and veracity
• D)Predictive and visualization
• E)Tableau software analysis and input

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Definitions:

Expected Value

The anticipated value or outcome of a variable, computed as an average of all possible outcomes each weighted by its respective probability of occurrence.

Coefficient Of Variation

A statistical measure used to analyze the relative variability of data points in a dataset or the risk per unit of return; it is the ratio of the standard deviation to the mean.

Well-Diversified Portfolio

An investment portfolio consisting of a wide variety of assets to reduce exposure to risk through diversification.

Beta

A measure of a stock's volatility in relation to the overall market, indicating its risk compared to the market average.