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lOM oA RcPSD |125 042 45 WGU Data Driven Decision Making - C207 Module 1 - 6 practice questions

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l OM oA RcPSD |12 504 245 Module 1

• is the discovery, analysis and communication of

meaningful patterns in data.Analytics

• is a prejudice in data that results when either the

respondent or the interviewer have and agenda that affects responses.Information Bias

• places data into categories that are ordered by a

predetermined criteria.Ordinal Data

• occurs when something (for example data or

survey response) is missing.Omission Error

• is numerical data that is ordered, is equal distance

apart and does not have a natural zero.Interval Data

• is consistent and repeatable.

Reliable Data

• represents errors in data caused by unpredictable

statistical fluctuations. * Random Error

• places data into “either or” categories or identifies

by name or characteristic. * Nominal Data

• includes cleaning and storage of collected data. *

Data Management

• is a massive amount of data that is difficult to

process using traditional database and software techniques.Big Data

• is numerical data that has a natural zero allowing this

data to be added, subtracted, multiplied, and divided. 3 / 4

l OM oA RcPSD |12 504 245 Ratio Data

• is a prejudice in data that results when the sample is

not representative of the population be tested Measurement Bias 13.Why is quantitative analysis and analytics important in decision making.Decisions are less subjective Analytics can be explanatory Managers can build predictive models 14.Sales for the Northern Region are expected to decrease 2% in the next fiscal year Predictive Analysis 15.The median household income for New York City from 2009 – 2013 is

$58,003.

Descriptive Analysis 16.Alternating two trains between 5:00 p.m. and 7:00 p.m. will increase on time arrivals Prescriptive Analysis 17.The largest consumer group of the product is female.Descriptive Analysis 18.Employee turnover for the organization will be more than 5%.Predictive Analysis

19.Increasing the ratio of ingredient A to ingredient B to 1:1.5 will yield

more product.Prescriptive Analysis 20.Stage 1 of the Davenport-Kim Three-stage Model includes which two of the following steps? * Review of previous Problem Recognition

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