D468 Discovering Data
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Free D468 Discovering Data Questions
What is an advantage of using clean data for creating visualizations?
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Clean data takes less time to collect.
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Clean data is more accurate than raw data
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Clean data requires no analysis.
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Clean data automatically creates reports.
Explanation
Explanation:
Clean data is free from errors, duplicates, and inconsistencies, which ensures that visualizations accurately reflect real insights. Using clean data minimizes misleading interpretations and allows stakeholders to make confident, data-driven decisions.
Correct Answer:
Clean data is more accurate than raw data.
A small, local boutique bakery is looking to grow and improve sales.
What is a measurable business goal for the bakery according to SMART?
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Create a new recipe each month
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Train new employees regularly
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Redesign the bakery logo
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Spend three hours per week on marketing activities
Explanation
Explanation:
A SMART goal is Specific, Measurable, Achievable, Relevant, and Time-bound. Spending three hours per week on marketing activities is measurable because it includes a clear and quantifiable amount of time that can be tracked. This helps the bakery monitor progress and evaluate the effectiveness of its marketing efforts.
Correct Answer:
Spend three hours per week on marketing activities
During skill-set testing, an analyst is asked to write a query that will be graded on how well it executes.
Which guideline should be used to format a successful SQL (Structured Query Language) query?
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SQL queries should avoid capitalization to remain consistent.
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SQL queries must be written in one continuous line without spaces.
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SQL queries should only use lowercase for all commands.
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SQL queries can contain capitalization and indentation for easier reading.
Explanation
Explanation:
When writing SQL queries, it is considered best practice to use capitalization and indentation to make the query easier to read and maintain. Although SQL is not case-sensitive, capitalizing keywords such as SELECT, FROM, and WHERE helps distinguish commands from table or column names. Proper indentation also organizes complex queries, especially those involving multiple joins or subqueries. These formatting practices improve readability and make the query easier for others to understand and troubleshoot.
Correct Answer:
SQL queries can contain capitalization and indentation for easier reading.
The customer requests sales predictions for the upcoming quarter. In order to produce a report, the analyst asks the customer if there are sales data from past years.
Which aspect of the data will the analyst review in order to provide the requested report?
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Outliers
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Trends
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Random errors
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Irregularities
Explanation
Explanation:
When preparing a sales prediction report, the analyst will review trends in the historical data. Trends reveal consistent patterns or movements—such as growth, decline, or seasonality—over time. By analyzing these patterns from previous years, the analyst can forecast likely future sales for the upcoming quarter. Identifying trends helps in developing accurate and data-driven predictions, which support better strategic planning and decision-making for the business.
Correct Answer:
Trends
Why do organizations rely on the analysis of data to make business decisions?
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Data-driven decisions help leaders make informed decisions that result in better business outcomes.
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Data analysis eliminates all business risks entirely.
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Data analysis replaces the need for management input.
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Data-driven decisions are based solely on intuition and experience.
Explanation
Explanation:
Organizations rely on data analysis because it provides factual, evidence-based insights that support sound decision-making. By examining trends, patterns, and metrics, leaders can make informed choices that improve efficiency, profitability, and overall performance. Data-driven decisions reduce reliance on guesswork and intuition, helping businesses identify opportunities, mitigate risks, and plan strategically. This results in more consistent and objective business outcomes aligned with organizational goals.
Correct Answer:
Data-driven decisions help leaders make informed decisions that result in better business outcomes.
Which statement characterizes problems in the context of data analytics?
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They are always simple and predictable.
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They have only one possible solution.
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They vary in size and complexity.
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They can be solved without data.
Explanation
Explanation:
In data analytics, problems vary in size and complexity depending on the business context, available data, and desired outcomes. Some problems may be straightforward, such as tracking sales performance, while others are complex, involving multiple variables and datasets. Understanding the scope and complexity of a problem helps analysts select the right tools, methods, and data sources for effective analysis. Recognizing that problems differ ensures more accurate, tailored solutions.
Correct Answer:
They vary in size and complexity.
A company has experienced a sharp decline in sales due to product recalls. The vice president of operations is interested in determining which supplier may have provided the part that caused the product recall but is busy and unable to serve as the analyst's direct contact.
Which best practice should the analyst apply to manage communication?
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Wait for the vice president to reach out when available
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Send progress emails only at the end of the project
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Exclude the vice president from project updates
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Update the project manager regularly
Explanation
Explanation:
In this situation, the best communication practice is to update the project manager regularly. Since the vice president is unavailable, maintaining regular communication with the project manager ensures that information flows smoothly within the leadership chain. This approach keeps key stakeholders informed, prevents project delays, and allows the vice president to stay indirectly updated through trusted internal channels. Regular updates also demonstrate accountability and professionalism from the analyst’s side.
Correct Answer:
Update the project manager regularly
How does data sharing help influence decision-making?
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It allows companies to make informed decisions, leading to improved outcomes.
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It prevents collaboration between departments.
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It limits access to relevant information.
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It replaces the need for data analysis
Explanation
Explanation:
Data sharing enables different teams or departments to access and utilize the same information, promoting collaboration and consistency. When shared effectively, it helps organizations make informed, data-driven decisions that improve business performance and outcomes.
Correct Answer:
It allows companies to make informed decisions, leading to improved outcomes.
An analyst is working on a high-priority project with a pressing deadline when a manager approaches with an urgent request for data. The manager is upset and says this request is a higher priority than the analyst's current project because the requested data will likely prove that another department is not following policy. The analyst needs to respond in a way that both de-escalates the manager's emotions and explains the pressing deadline on the current high-priority project.
How does the analyst do this?
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Clarify the overall goal and other stakeholders for the requested data with the manager
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Refuse to handle the request and refer it to another team
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Remind the manager that their department is not the priority
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Agree to complete the request immediately without checking priorities
Explanation
Explanation:
In a situation involving conflicting priorities and emotional tension, the analyst should clarify the overall goal and other stakeholders for the requested data with the manager. This approach demonstrates empathy and professionalism while ensuring alignment with organizational priorities. By engaging in a calm, fact-based discussion, the analyst can de-escalate the manager’s emotions, gain clarity on the importance of the request, and determine whether adjustments can be made without jeopardizing the ongoing high-priority project.
Correct Answer:
Clarify the overall goal and other stakeholders for the requested data with the manager
What is the open-ended version of the question "Will all employees' laptops download the software?"
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Will the software be installed on all devices?
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Is the software ready for installation?
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Do all employees have laptops?
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Who will be consuming the services of the software?
Explanation
Explanation:
An open-ended question invites detailed responses rather than a simple “yes” or “no.” The question “Who will be consuming the services of the software?” encourages the respondent to explain who will use the software and how it will be applied across the organization. This type of question helps analysts gather more context and insight, leading to a deeper understanding of user needs and implementation plans. Open-ended questions are especially useful during the data-gathering or “Ask” phase of analysis.
Correct Answer:
Who will be consuming the services of the software?
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