Standardized tests are given to students in the middle of each month, and the results are ready by the end of the month. The superintendent needs a quick view of test performance. Which of the following would be the best recommendation to meet the superintendent's requirements?

A dashboard with a scheduled delivery, the ability to filter scores by school, and bar charts for comparison

A dashboard with a continuous data stream and saved searches

A report of test scores by classroom, emailed to the superintendent at the end of the month

A report of test scores with pie charts showing student performance

A dashboard with a scheduled delivery, the ability to filter scores by school, and bar charts for comparison

Which of the following is the best description of the term 'data governance'?

Data governance is the availability, usability, integrity, and security of data in an enterprise.

Data governance governs the development of a data visualization dashboard in an organization.

Data governance is the policy that protects against data breaches by cybercriminals.

Data governance is the process of analyzing, manipulating, and reporting data in an organization.

Data governance is the availability, usability, integrity, and security of data in an enterprise.

Which of the following is a best practice when updating a legacy data source?

Creating a codebook to document field changes

Keeping only the most recent data

Creating a codebook to document field changes

Removing the data source from production

An analyst is reviewing the following data:Car ID Speed1231 555664 365644 186505 675464 366456 38Which of the following should the analyst include in the measures of central tendency for speed?

Mode = 38 Range = 31 Mean = 42.5

Mode = 36 Median = 37 Mean = 41.5

A report is scheduled to run and be distributed at the end of business each day. On Mondays, one of the recipients opens the previous week's reports and combines them to calculate the weekly totals and projections for the coming week. This is a tedious process, and the recipient asks an analyst for help. Which of the following should the analyst recommend?

Create a new report with weekly totals set to run at the end of business on Friday.

Add calculation fields to the daily report so the totals are built in.

Create a new report with weekly totals set to run at the end of business on Friday.

Provide a daily summary to the report with totals to save the user the effort of manual calculations.

Reduce the frequency of the report to once a week and change the date range.

Which of the following best describes a 95% confidence interval?

A set of ranges contains the population mean with 95% certainty.

There is a 95% probability that a sample is within one standard deviation of the mean.

A stated range may contain 95% of the population mean, 95% of the time.

A set of ranges contains the population mean with 95% certainty.

A range contains 95% of the population mean.

Which of the following is the best description of discrete data types?

The frequency of the number of times each value occurs by using whole numbers

Non-numeric data used to describe attributes of a population sample

The frequency of the number of times each value occurs by using whole numbers

Numeric values that can be measured on a continuous scale

Non-numeric data used to describe attributes of a population sample ranked in a specific order

Which of the following data governance concepts fits into the security requirements category?

Personally identifiable information

Which of the following is the best technique for transferring data from one database to another with some data manipulation?

Application programming interfaces

CompTIA DA0-001 Practice Test 7 - Free Online Exam Prep & Questions

The senior management team at a company receives a detailed sales report at the end of each quarter. The report is several pages long and includes data from dozens of offices across the country. The team wants a better way to get a quick snapshot of what is included in the report. Which of the following modifications would best meet this requirement?

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CompTIA DA0-001 Practice Test 7

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