A data analyst is creating a report that will provide information about various regions, products, and time periods. Which of the following formats would be the MOST efficient way to deliver this report?

A dashboard with filters at the top that the user can toggle

A workbook with multiple tabs for each region

A daily email with snapshots of regional summaries

A static report with a different page for every filtered view

A dashboard with filters at the top that the user can toggle

Refer to the exhibit.A customer list from a financial services company is shown below: A data analyst wants to create a likely-to-buy score on a scale from 0 to 100, based on an average of the three numerical variables: number of credit cards, age, and income. Which of the following should the analyst do to the variables to ensure they all have the same weight in the score calculation?

Calculate the percentiles of the variables.

Calculate the standard deviations of the variables.

Refer to the exhibit.Given the diagram below: Which of the following data schemas shown?

Online transactional processing

A publishing group has requested a dashboard to track submissions before publication. A key requirement is that all changes are tracked, as multiple users will be checking out documents and editing them before submissions are considered final. Which of the following is the BEST way to meet this stakeholder requirement?

Display the version number next to each submission on the dashboard.

Present a data refresh date at the top of the dashboard.

Confirm the dashboard is adhering to the corporate style guide.

Use permissions to ensure users only see certain versions of the submissions.

Which of the following should be accomplished NEXT after understanding a business requirement for a data analysis report?

Determine the data necessary for the analysis.

Rephrase the business requirement.

Determine the data necessary for the analysis.

Build a mock dashboard/presentation layout.

Perform exploratory data analysis.

A data analyst needs to present the results of an online marketing campaign to the marketing manager. The manager wants to see the most important KPIs and measure the return on marketing investment. Which of the following should the data analyst use to BEST communicate this information to the manager?

A summary with statistics, conclusions, and recommendations from the data analyst

A real-time monitor that allows the manager to view performance the day the campaign was launched

A sell-service dashboard that allows the manager to look at the company's annual budget performance

A spreadsheet of the raw data from all marketing campaigns and channels

A summary with statistics, conclusions, and recommendations from the data analyst

An e-commerce company recently tested a new website layout. The website was tested by a test group of customers, and an old website was presented to a control group. The table below shows the percentage of users in each group who made purchases on the websites: Which of the following conclusions is accurate at a 95% confidence interval?

In Germany, the increase in conversion from the new layout was not significant.

In France, the increase in conversion from the new layout was not significant.

In general, users who visit the new website are more likely to make a purchase.

The new layout has the lowest conversion rates in the United Kingdom.

Which of the following are reasons to create and maintain a data dictionary? (Choose two.)

To remember specifics about data fields

To provide continuity through personnel turnover

To remember specifics about data fields

To specify user groups for databases

To provide continuity through personnel turnover

To confine breaches of PHI data

To reduce processing power requirements

A recurring event is being stored in two databases that are housed in different geographical locations. A data analyst notices the event is being logged three hours earlier in one database than in the other database. Which of the following is the MOST likely cause of the issue?

The databases are recording the event in different time zones.

The data analyst is not querying the databases correctly.

The databases are recording different events.

The databases are recording the event in different time zones.

The second database is logging incorrectly.

Refer to the exhibit.Given the following graph: Which of the following summary statements upholds integrity in data reporting?

Strategy 4 provides the best sales in comparison to other strategies.

Sales are approximately equal for Product A and Product B across all strategies.

Strategy 4 provides the best sales in comparison to other strategies.

While Strategy 2 does not result in the highest sales of Product D, over all products it appears to be the most effective.

Product D should be promoted more than the other products in all strategies.

While reviewing survey data, an analyst notices respondents entered "Jan," "January," and "01" as responses for the month of January. Which of the following steps should be taken to ensure data consistency?

Filter on any of the responses that do not say "January" and update them to "January".

Delete any of the responses that do not have "January" written out.

Replace any of the responses that have "01".

Filter on any of the responses that do not say "January" and update them to "January".

Sort any of the responses that say "Jan" and update them to "01".

A county in Illinois is conducting a survey to determine the mean annual income per household. The county is 427sq mi (2.65q km). Which of the following sampling methods would MOST likely result in a representative sample?

Surveys sent to 100 randomly selected homes that are reflective of the population

A stratified phone survey of 100 people that is conducted between 2:00 p.m. and 3:00 p.m.

A systematic survey that is sent to 100 single-family homes in the county

Surveys sent to ten randomly selected homes within 5mi (8km) of the county's office

Surveys sent to 100 randomly selected homes that are reflective of the population

A sales team wants visibility of current sales numbers, pipeline, and team performance. The team would also like to see calculations of individuals' earned commissions and projected commissions based on sales, but they want that information to be kept confidential. Which of the following would be the BEST way to provide this visibility?

Create a dashboard with views for team, individuals, and management. Configure permissions to control access.

Create a dashboard displaying a data refresh date so users know the current sales numbers and configure permissions to control access.

Create a dashboard for sales numbers, pipeline, and team and individual performance for the management team.

Create a dashboard with filters for the overall team, individuals, and management. Users can filter to see the data they want.

Create a dashboard with views for team, individuals, and management. Configure permissions to control access.

A data analyst is asked on the morning of April 9, 2020, to create a sales report that identifies sales year to date. The daily sales data is current through the end of the day. Which of the following date ranges should be on the report?

January 1, 2020 to April 9, 2020

January 1, 2020 to April 1, 2020

January 1, 2020 to April 7, 2020

January 1, 2020 to April 8, 2020

January 1, 2020 to April 9, 2020

Refer to the exhibit.Given the following data tables: Which of the following MDM processes needs to take place FIRST?

Standardization of data field names

Consolidation of multiple data fields

CompTIA DA0-001 Practice Test 1 - Free Online Exam Prep & Questions

Question 1 / 40

Refer to the exhibit.

A data analyst needs to calculate the mean for Q1 sales using the data set below:

CompTIA DA0-001 image Question 1 95175 10022024175129000000

Which of the following is the mean?

$2,466.18

$2,667.60

$3,082.72

$12,330.88

Comment (0)

CompTIA DA0-001 Practice Test 1

Question

CompTIA DA0-001 Practice Tests

Practice Tests