CompTIA DA0-001 - Data+ Exam
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Total 321 questions
Question #1 (Topic: Exam A)
A data analyst needs to calculate the mean for Q1 sales using the data set below:
Which of the following is the mean?
Which of the following is the mean?
A. $2,466.18
B. $2,667.60
C. $3,082.72
D. $12,330.88
Answer: A
Question #2 (Topic: Exam A)
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. A workbook with multiple tabs for each region
B. A daily email with snapshots of regional summaries
C. A static report with a different page for every filtered view
D. A dashboard with filters at the top that the user can toggle
Answer: D
Question #3 (Topic: Exam A)
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?
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?
A. Recode the variables.
B. Calculate the percentiles of the variables.
C. Calculate the standard deviations of the variables.
D. Normalize the variables.
Answer: D
Question #4 (Topic: Exam A)
Which of the following actions should be taken when transmitting data to mitigate the chance of a data leak occurring? (Choose two.)
A. Data identification
B. Data processing
C. Data reporting
D. Data encryption
E. Data masking
F. Fata removal
Answer: DE
Question #5 (Topic: Exam A)
A data analyst has been asked to organize the table below in the following ways:
By sales from high to low
By state in alphabetic order
Which of the following functions will allow the data analyst to organize the table in this manner?
By sales from high to low
By state in alphabetic order
Which of the following functions will allow the data analyst to organize the table in this manner?
A. Conditional formatting
B. Grouping
C. Filtering
D. Sorting
Answer: D
