Practice Test | Questions and Answers | 2026 Updates | 100%
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, Data visualization Data anonymization
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A data analyst wants to find out how many middle school students in
Helsinki have laptops. It is unlikely that they can survey every middle
schooler in the city. Instead, they survey enough students to represent
all middle schoolers. This describes what data analytics concept?
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Defining the business requirements
Using a sample
for a new database
By disclosing how and why the data
Using a population
will be used before the survey
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What leads to confirmation bias in data collection?
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People ignore conflicting
People analyze data objectively.
information.
People search for diverse People search to verify
perspectives. preexisting beliefs.
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Fill in the blank: Data professionals use data _____ to handle issues
related to internal and external data flows while ensuring data assets
are formally managed.
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analysis visualization
operations governance
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, Term
What is the process for arranging data into a meaningful order to make
it easier to understand, analyze, and visualize?
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Sorting Sampling
Storing Foldering
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How does an analyst apply the principle of ownership to ethics and
privacy in data collection?
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Data should be owned by the Individuals who create the data
company that collects it. should own it.
Data should be publicly owned and Ownership belongs to the
freely accessible. government agency that stores it.
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