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Free CompTIA Data+ Certification Exam Practice Questions

Question # 71

Which one of the following is a measure of dispersion?

Options:

A.  

Variance.

B.  

Mode.

C.  

Median.

D.  

Mean.

Discussion 0
Question # 72

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?

Options:

A.  

An emailed report

B.  

A password-protected dashboard

C.  

A daily printout of a report

D.  

A cloud-hosted spreadsheet

Discussion 0
Question # 73

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?

Options:

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.

Discussion 0
Question # 74

The number of phone calls that the call center receives in a day is an example of:

Options:

A.  

continuous data.

B.  

categorical data.

C.  

ordinal data.

D.  

discrete data.

Discussion 0
Question # 75

A company needs a report that provides executives an overview and regional managers with both an overview and specifics. Which of the following reporting elements will achieve these results?

Options:

A.  

Observations and insights

B.  

Live data feed

C.  

Drill-down function

D.  

Access permissions

Discussion 0
Question # 76

A client wants a new report that will be automatically emailed to all global sales teams on a weekly basis. Each sales team must be able to view the sales for its region and the combined sales for all regions. Which of the following would be the most efficient method for meeting the requirements?

Options:

A.  

Creating a single report with a region filter

B.  

Creating report distribution lists for the sales teams in each region

C.  

Creating a unique copy of the report for each sales team region

D.  

Creating a unique copy of the report for each recipient

Discussion 0
Question # 77

Given the image below:

Question # 77

Which of the following file formats is depicted?

Options:

A.  

JSON

B.  

CSV

C.  

XML

D.  

HTML

Discussion 0
Question # 78

Which of the following types of analysis is used when comparing last week's sales to the previous week's sales?

Options:

A.  

Trend analysis

B.  

Exploratory analysis

C.  

Prescriptive analysis

D.  

Link analysis

Discussion 0
Question # 79

A data analyst has a set of data that shows the number of gallons of oil produced each day. The company would like to know the standard deviation for the data set. The variance for the data is 36 gallons. Which of the following is the standard deviation for gallons produced?

Options:

A.  

1.16

B.  

6

C.  

36

D.  

72

Discussion 0
Question # 80

Which of following is a non-relational database?

Options:

A.  

Neo4j

B.  

SQLite

C.  

MySQL

D.  

PostgreSQL

Discussion 0

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