C207 Quiz 1

For companies to attract and retain their best customers, they need a complete portrait of who they are. What do companies use to develop this portrait?

• Histograms

• Analytics

• Management science

• Statistics

A manufacturer wants to maximize its factory output while specifically minimizing labor costs.
Which type of analytics might they employ to achieve this goal?

• Prescriptive analytics

• Predictive analytics

• Descriptive analytics

Which type of data error that occurs in measurement is constant within a dataset and is sometimes caused by faulty equipment or bias?

• Omission

• Systematic

• Random

• Outlier

An educator develops a new standardized test to measure ninth grade math skills. She has students in Ohio take the test.
If the test is to be used on a national level, which type of error might be found in the data?

• Omission error

• Information bias

• Measurement bias

A city government is trying to determine the national origins of its recent immigrant population.
If a survey of the immigrant population is conducted in English, which type of error might be present in the data?

• Random

• Outlier

• Omission

• Accuracy

The use of big data is increasingly important to businesses in competitive markets.
Which characteristic is not true of big data?

• Contains unstructured data

• Can be analyzed with traditional spreadsheets

• Requires the use of analytics

• Contains structured data

Quantitative Analysis Approach consists of framing the problem, solving the problem, and communicating results.
Which two elements are part of framing the problem stage?

• Determine the scope of the problem

• Data collection

• Review of previous findings

A healthcare provider is researching blood glucose levels before and after exercising.
Which two elements should be part of any experimental study like this?

• Treatment procedures

• Experimental response

• Patient observation

Runners cover 26.2 miles in the Olympics marathon.
Which level of measurement is this?

• Ratio

• Ordinal

• Nominal

• Interval

Which level of measurement is the type of cars produced in a Ford factory?

• Ordinal

• Nominal