According to a Survey of the Top 10 Employers in a Major

question 121

Multiple Choice

According to a survey of the top 10 employers in a major city in the Midwest, a worker spends an average of 413 minutes a day on the job. Suppose the standard deviation is 26.8 minutes and the time spent is approximately a normal distribution. What are the times within which approximately 99.73 percent of all workers will fall?

• A) [305.8, 520.2]
• B) [386.2, 439.8]
• C) [372.8, 453.2]
• D) [359.4, 466.6]
• E) [332.6, 493.4]

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Definitions:

Data Mining

The practice of analyzing large sets of data to discover patterns, trends, and useful information.

Predictive Analysis

Using data, statistical algorithms, and machine learning techniques to identify the likelihood of future outcomes based on historical data.

Information Extraction

The process of automatically obtaining structured information from unstructured or semi-structured digital documents.

Purchasing Patterns

The behavior and habits of consumers when buying goods and services.