DA0-001 VALID BRAINDUMPS FREE | PASS-SURE EXAM DA0-001 TESTKING: COMPTIA DATA+ CERTIFICATION EXAM 100% PASS

DA0-001 Valid Braindumps Free | Pass-Sure Exam DA0-001 Testking: CompTIA Data+ Certification Exam 100% Pass

DA0-001 Valid Braindumps Free | Pass-Sure Exam DA0-001 Testking: CompTIA Data+ Certification Exam 100% Pass

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CompTIA DA0-001 (CompTIA Data+ Certification) Certification Exam is a globally recognized certification that validates one’s understanding and skills in data management. DA0-001 exam is designed for professionals who work with data in their daily operations, including data analysts, database administrators, and anyone involved in managing or analyzing data.

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CompTIA DA0-001 Certification Exam is a highly acclaimed certification exam designed for individuals interested in pursuing a career in data analytics. CompTIA Data+ Certification Exam certification is aimed at professionals who have a thorough understanding of data collection and analysis methods and can effectively analyze and present data insights to various stakeholders. CompTIA Data+ Certification Exam certification exam validates the ability to assess data requirements, analyze data sets, and create comprehensive reports based on the obtained data.

CompTIA DA0-001 Exam covers a wide range of topics related to data analytics, including data collection, analysis, interpretation, and presentation. It also covers topics such as data governance, management, and security. DA0-001 exam is designed to test the candidate's understanding of data analytics concepts and their ability to apply these concepts in real-world scenarios.

CompTIA Data+ Certification Exam Sample Questions (Q277-Q282):

NEW QUESTION # 277
A data analyst for a media company needs to determine the most popular movie genre. Given the table below:

Which of the following must be done to the Genre column before this task can be completed?

  • A. Merge
  • B. Append
  • C. Delimit
  • D. Concatenate

Answer: C

Explanation:
Explanation
Delimiting is the process of splitting a column of data into multiple columns based on a separator or delimiter character. Delimiting can help separate data that is combined or concatenated in one column into distinct values or categories. For example, if a column contains text values that are separated by commas, such as
"Comedy, Suspense", delimiting can split this column into two columns, one for "Comedy" and one for
"Suspense". Delimiting is different from other options, such as appending, merging, or concatenating, which are methods of combining or joining data from multiple columns or sources. In this case, the data analyst needs to determine the most popular movie genre based on the Genre column in the table. However, this column contains multiple genres for each movie, separated by commas. Therefore, the data analyst must delimit this column before this task can be completed. Therefore, the correct answer is D. References: Split text into different columns with functions - Office Support, How to Split Text in Excel (Using Formulas & Split Function)


NEW QUESTION # 278
A data analyst has received a data set that contains actual and projected sales for the fourth quarter of 2019.
Which of the following statistical methods should the analyst use to find the measure of dispersion?

  • A. Correlation
  • B. Variance
  • C. Mean
  • D. Confidence interval

Answer: B

Explanation:
The measure of dispersion is used to describe the spread of data around a central value. In the context of a data set containing actual and projected sales, the measure of dispersion will help to understand the variability or consistency of sales figures. The variance is the most appropriate statistical method for finding the measure of dispersion because it calculates the average of the squared differences from the Mean, providing a clear picture of data spread. It is especially useful in comparing the spread between different data sets and understanding the distribution of data points.
* Mean is a measure of central tendency, not dispersion.
* Correlation measures the relationship between two variables, not the spread of a single variable.
* Confidence intervals are used to estimate the range within which a population parameter will fall, but they do not measure dispersion within the data set itself.
References:
* Measures of Dispersion in Statistics1
* Measures of Dispersion - Definition, Formulas, Examples2
* Statistical dispersion - Wikipedia3


NEW QUESTION # 279
The current date is July 14, 2020. A data analyst has been asked to create a report that shows the company's year-over-year Q2 2020 sales. Which of the following reports should the analyst compare?

  • A. YTD 2020 and YTD 2019
  • B. Q2 2020 and Q4 2019
  • C. Q2 2020 and Q2 2021
  • D. Q2 2020 and Q2 2019

Answer: D

Explanation:
Year-over-year (YoY) comparison is a method of evaluating two or more measured events to compare the results at one period with those from a comparable period on an annual basis. For a year-over-year comparison of Q2 2020 sales, the analyst should compare the sales figures from Q2 2020 with those from Q2 2019. This comparison will show the growth, stagnation, or decline in sales over the year and is a common practice in financial analysis to assess performance.
Reference:
SlideTeam's article on sales comparison templates1.
Salesforce help article on calculating YoY or Quarter-over-Quarter (QoQ) in reports2.
Smartsheet's content on annual sales report templates3.
TechRepublic article on creating a YoY comparison chart using a PivotChart in Excel4.


NEW QUESTION # 280
Which of the following data manipulation techniques is an example of a logical function?

  • A. WHERE
  • B. BOOLEAN
  • C. AGGREGATE
  • D. IF

Answer: D


NEW QUESTION # 281
Andy is a pricing analyst for a retailer. Using a hypothesis test, he wants to assess whether people who receive electronic coupons spend more on average.
What should Andy's null hypothesis be?

  • A. People who receive electronic coupons spend more on average.
  • B. People who do not receive electronic coupons spend more on average.
  • C. People who receive electronic coupons spend less on average.
  • D. People who receive electronic coupons do not spend more on average.

Answer: D

Explanation:
Explanation
The null hypothesis presumes the status quo. Andy is testing whether or not people who receive an electronic coupon spend more on average, so, the null hypothesis states that people who receive the coupon do spend more on average.


NEW QUESTION # 282
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