We Have Obtained Access to the Company's Operational Data

question 71

Multiple Choice

We have obtained access to the company's operational data.In one record,we find that a customer's age has been recorded as "337".This is an example of:

• A)dirty data.
• B)inconsistent data.
• C)non-integrated data.
• D)a "wrong format" problem.
• E)a "too much data" problem.

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Definitions:

Normal Distribution

An equal-probability distribution around the mean, which shows that instances near the mean happen more frequently than instances far from the mean.

Normal Probability Distribution

A bell-shaped distribution that is symmetric about the mean, showing how random variables are distributed.

Continuous Probability Distribution

A probability distribution that assigns probabilities to a continuum of possible outcomes, often described by a probability density function.

Standard Deviation

A measure that quantifies the amount of variation or dispersion of a set of data values; an indicator of data spread or how spread out the data are.