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NEW QUESTION 201
A sales director has requested a report for individual team members within the division be developed. The director would like the report to be shared with all team members, but individual team members should not be identifiable within the report. Which of the following access requirements would support the director’s needs?
A. Create an acceptable use policy for the sales data.
B. Release the report as user-group-based access and include data masking.
C. Get a data use agreement from the individual team members.
D. Provide the report based on role and include data encryption.
NEW QUESTION 202
Which of the following is an example of PII?
NEW QUESTION 203
Which of the following is the best technique for transferring data from one database to another with some data manipulation?
A. Application programming interfaces.
B. Delta load.
C. Extract, transform, load.
NEW QUESTION 204
Which of the following best describes a business analytics tool with interactive visualization and business capabilities and an interface that is simple enough for end users to create their own reports and dashboards?
C. Microsoft Power BI
NEW QUESTION 205
A data analyst needs to create a data visualization that aids in understanding the cumulative impact of sequentially introduced values that are positive or negative. Which of the following data visualization methods should the analyst use?
A. A bubble chart.
B. A waterfall chart.
C. A scatter plot.
D. A line chart.
NEW QUESTION 206
Which of the following report types is most appropriate for a high-level, year-end report requested by a Chief Executive Officer?
C. Ad hoc.
NEW QUESTION 207
Which of the following best describes a 95% confidence interval?
A. There is a 95% probability that the population mean lies within the stated interval.
B. A stated range may contain 95% of the population mean, 95% of the time.
C. A set of ranges contains the population mean with 95% certainty.
D. A range contains 95% of the population mean.
NEW QUESTION 208
Which of the following technologies would be BEST suited for creating a multiple linear regression model?
A. Microsoft Power BI
NEW QUESTION 209
A user imports a data file into the accounts payable system each day. On a regular basis, the field input is not what the system is expecting, so it results in an error for the row and a broken import process. To resolve the issue, the user opens the file, finds the error in the row, and manually corrects it before attempting the import again. The import sometimes breaks on subsequent attempts, though. Which of the following changes should be made to this process to reduce the number of errors?
A. Delete all incorrect inputs and upload the corrected file.
B. Have the user manually review the file for data completeness before loading it.
C. Create a data field to data type validator to run the file through prior to import.
D. Spot-check the file prior to import to catch and correct field errors.
NEW QUESTION 210
A sales manager wants quarterly sales reports broken down by unit and week. Which of the following data output lists includes the most necessary information?
A. Order number, salesperson, date shipped, recipient address, and price.
B. Item name, salesperson, recipient address, shipping cost, and date shipped.
C. Item number, item name, salesperson, date sold, and price.
D. Item name, salesperson, price, shipping cost, and date shipped.
NEW QUESTION 211
An analyst is preparing a report that contains weather data. The temperatures are shown in Fahrenheit, but they must be reported in Celsius. Which of the following should the analyst do to fix this issue?
A. Normalize the data.
B. Standardize the data.
C. Rescale the data.
D. Aggregate the data.
NEW QUESTION 212
Which of the following statements would be used to append two tables that have the same number of columns?
A. UNION ALL
C. GROUP BY
NEW QUESTION 213
A data analyst has been asked to create a daily manufacturing report for the floor manager. Which of the following metrics should be included in the report?
A. Tons of steel produced per hour.
B. Annual sales budget.
C. End-of-day stock price.
D. Daily corporate employee count.
NEW QUESTION 214
A Chief Executive Officer (CEO) is requesting more up-to-date sales data for improved visibility prior to month-end. An analyst must determine the frequency of a sales report that was previously distributed on an as-needed basis. Which of the following would be the most appropriate frequency for this report?
D. Every other month.
NEW QUESTION 215
A human resources analyst needs to build a new visualization to highlight the company’s hierarchy. Which of the following would be the best way to do this?
A. A stacked chart.
B. An infographic.
C. A word cloud.
D. A tree map.
NEW QUESTION 216
Which of the following database schemas features normalized dimension tables?
NEW QUESTION 217
A military commander would like to see the health scorecards of the troops daily and filter them based on gender and rank. Considering this data is PHI, which of the following would be the best way for the commander to view the information?
A. An emailed report.
B. A password-protected dashboard.
C. A daily printout of a report.
D. A cloud-hosted spreadsheet.
NEW QUESTION 218
Which of the following differentiates a flat text file from other data types?
A. Data is separated by a delimiter.
B. Data is stored in defined rows.
C. Data is defined with key-value pairs.
D. Data is housed in a markup language.
NEW QUESTION 219
Which of the following reports can be used when insight into operational performance is needed each Wednesday?
A. Static report.
B. Tactical report.
C. Recurring report.
D. Ad hoc report.
NEW QUESTION 220
Which of the following are reasons to conduct data cleansing? (Choose two.)
A. To perform web scraping.
B. To track KPIs.
C. To improve accuracy.
D. To review data sets.
E. To increase the sample size.
F. To calculate trends.
NEW QUESTION 221
The number of phone calls that a call center receives in a day is an example of what?
A. continuous data
B. categorical data
C. ordinal data
D. discrete data
NEW QUESTION 222
Which of the following is the most likely reason for a data analyst to optimize a query using parameterization?
A. To return a subset of records.
B. To insert a temporary table.
C. To prevent SQL injections.
D. To increase the query speed.
NEW QUESTION 223
A data analyst needs to collect a similar proportion of data from every state. Which of the following sampling methods would be the most appropriate?
A. Systematic sampling.
B. Convenience sampling.
C. Stratified sampling.
D. Random sampling.
NEW QUESTION 224
Which of the following best describes an exploratory analysis?
A. Involves the use of descriptive statistics to understand observations.
B. Involves analysis of exploring data sets for performance tracking.
C. Involves the testing of specific hypotheses.
D. Involves the use of arithmetic algebra to determine the distribution.
NEW QUESTION 225
A site reliability team wants to monitor the stability of their website, so they can proactively diagnose issues when they occur. Which of the following deliverables would best suit their needs?
A. A self-serve dashboard of website performance that updates in real time.
B. A weekly log report of site visits and user actions.
C. A portal that is refreshed daily and reports errors classified by type.
D. A daily summary email indicating website outages for the previous day.
NEW QUESTION 226
Which of the following query optimization techniques involves examining only the data that is needed for a particular task?
A. Making a temporary table.
B. Creating a flat file.
C. Indexing documents.
D. Creating an execution plan.
NEW QUESTION 227
Which of the following best describes the law of large numbers?
A. As a sample size decreases, its standard deviation gets closer to the average of the whole population.
B. As a sample size grows, its mean gets closer to the average of the whole population.
C. As a sample size decreases, its mean gets closer to the average of the whole population.
D. When a sample size doubles, the sample is indicative of the whole population.
NEW QUESTION 228
A C-suite executive would like to monitor KPIs for each department on a monthly basis. Which of the following explains why the executive wants to conduct this performance analysis?
A. To analyze a connection of data points or pathways.
B. To use descriptive statistics to determine observations.
C. To provide a comparison of data over time.
D. To track measurements against defined goals.
NEW QUESTION 229
An analyst is working on a project for a director. During this process, the analyst pulled the data, created summarized tables and graphs with descriptions, created a report summary, and inserted all items into a report. After writing the report, which of the following would be the most appropriate next step?
A. Complete an audit on the data pulled for the report.
B. Complete a check for quality in the report.
C. Complete a review of the data and a check for consistency.
D. Complete a trend analysis to be included in the report.
NEW QUESTION 230
A collections manager has a team calling customers who are past due on their accounts in an attempt to collect payments. The manager receives the call list in the form of a printed report that is generated by the accounting department at the beginning of each week. Consequently, the collections team calls some customers who have made payments in the time since the report was last printed. Which of the following reporting enhancements could the accounting department implement to best reduce the number of calls on current accounts?
A. Modify the date range on the report.
B. Include a time stamp on the report.
C. Increase the frequency of report generation.
D. Add a report run date to the report.
NEW QUESTION 231
A data analyst is developing a data dictionary that aligns with a company’s data management processes and policies. Which of the following best describes what should be included in the data dictionary?
A. Information containing the links to business data.
B. Information explaining the business methodologies.
C. Information containing definitions of the business data.
D. Information describing the data analysis phases.
NEW QUESTION 232
After completing web scraping, which of the following file formats needs to be parsed?
NEW QUESTION 233
Several analysts are working simultaneously to compile a company’s annual report and meet a tight deadline. Since each analyst is making changes, the analysts are concerned that they are not always working on the most up-to-date report, which results in rework. Which of the following should be included in the report to prevent this from happening in the future?
A. A version control table.
B. Reference data sources.
D. A report run date.
NEW QUESTION 234
Which of the following BEST describes the difference between discrete and continuous values?
A. Discrete values change.
B. Discrete values are not distinct.
C. Continuous values are restricted by separation.
D. Discrete values are obtained by counting.
NEW QUESTION 235
A survey asks participants to rate a company on a scale of one to ten. Which of the following BEST describes the rating variable?
NEW QUESTION 236
A director who is responsible for reporting performance to executives has requested a dashboard for C-suite users who are not satisfied with the current multipage printed reports. The requirements for the dashboard are extensive and include displaying almost all the available data. An analyst is concerned that what is being requested will overwhelm users and result in an unused dashboard. Which of the following is the FIRST step the analyst should take?
A. Clarify the goal of the reporting and work to pare down the requirements for a more effective use of data and a streamlined view.
B. Create a dashboard wireframe/mockup and send it to the director and C-suite users for review and approval before moving forward.
C. Develop a dashboard with multiple views managed by permissions so executives only see the information relevant to them individually.
D. Build an interactive dashboard so users can drill down to the most relevant information through the use of saved searches and filters.
NEW QUESTION 237
Which of the following statistical methods can be used to measure changes over time?
A. Correlation test.
B. Independent chi-squared test.
C. Dependent t-test.
NEW QUESTION 238
A feature can take certain values (A, B, C, D, E, and F) and represents a grade of students from a college. Which of the following variables does this describe?
A. Discrete variable.
B. Ordinal variable.
C. Numerical variable.
D. Continuous variable.
NEW QUESTION 239
Which of the following is a best practice when updating a legacy data source?
A. Placing old data in new fields.
B. Keeping only the most recent data.
C. Creating a codebook to document field changes.
D. Removing the data source from production.
NEW QUESTION 240
Which of the following BEST defines a data outlier?
A. A datapoint that is significantly close to the trend line.
B. A datapoint that has the highest significant number of observations.
C. A datapoint that differs significantly from other observations.
D. A datapoint that is above the trend line.
NEW QUESTION 241
An analyst needs to create a dashboard with three tiers of information: management, general public (internal users), and external stakeholders. The management team should be able to see all data, while the internal and external groups should see only subsets of that data. Which of the following is the BEST delivery consideration for the dashboard?
A. Create access permissions so users only see data that is applicable to their user group.
B. Make the dashboard interactive so users can find the data that applies to them.
C. Create an option to save an individual user’s searches and filters by user ID.
D. Create three separate dashboards, one for each user group.
NEW QUESTION 242
An analyst needs to modify an existing dashboard because data is often out of date. Which of the following is the BEST way for the analyst to help resolve the issue?
A. Add filters to the dashboard so users can find the data they are looking for.
B. Schedule delivery so users know when to look for updated data.
C. Add a data refresh date to the dashboard so users know when the data was last updated.
D. Replace the static data update with a continuous feed.
NEW QUESTION 243
A data analyst has just finished cleansing a database table and is now ready to update the master. However, the analyst must first check to ensure all the work is accurate. Which of the following data quality checkpoints is the analyst using?
A. Data source.
B. Data product.
C. Data retrieval.
D. Data transformation.
NEW QUESTION 244
Which of the following data formats are examples of unstructured data? (Choose two.)
NEW QUESTION 245
A data analyst is preparing a presentation for the company’s board of directors. The presentation will not contain any confidential information and will only be provided to the board members. Which of the following is the MOST important information to include in the presentation?
A. A watermark.
B. The version number.
C. A distribution list.
D. Company branding.
NEW QUESTION 246
An analyst is summarizing the results from a recently completed survey. The results have been validated, but the analyst notices a few rows of data are missing at the bottom. For which of the following data qualities does this present the GREATEST issue?
A. Data completeness.
B. Data integrity.
C. Data consistency.
D. Data accuracy.
NEW QUESTION 247
Which of the following data analytics tools would be BEST to retrieve data from a relational database management system?
NEW QUESTION 248
A data analyst is reviewing the results of a survey. Respondents used the terms “avg.” “average.” and “avg.” throughout the survey in a response for the word “average.” Because of this, the analyst changed all related answers to say “average.”. Which of the following are reasons why the analyst MOST likely made these changes? (Choose two.)
A. Data attribute limitations.
B. Data accuracy.
C. Data completeness.
D. Data manipulation.
E. Data blending.
F. Data consistency.
NEW QUESTION 249
The duration of a phone call in milliseconds is an example of what?
A. ordinal data
B. nominal data
C. boolean data
D. continuous data
NEW QUESTION 250
Which of the following data analytics tools are used to create advanced statistical visualizations? (Choose two.)
C. Rapid mining.
NEW QUESTION 251
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