DA0-001 ACTUAL EXAM & DA0-001 EXAM GUIDE & DA0-001 PRACTICE EXAM

DA0-001 Actual Exam & DA0-001 Exam Guide & DA0-001 Practice Exam

DA0-001 Actual Exam & DA0-001 Exam Guide & DA0-001 Practice Exam

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CompTIA Data+ Certification Exam Sample Questions (Q21-Q26):

NEW QUESTION # 21
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. A summary with statistics, conclusions, and recommendations from the data analyst
  • B. A real-time monitor that allows the manager to view performance the day the campaign was launched
  • C. A sell-service dashboard that allows the manager to look at the company's annual budget performance
  • D. A spreadsheet of the raw data from all marketing campaigns and channels

Answer: A

Explanation:
Explanation
A summary with statistics, conclusions, and recommendations from the data analyst is the best way to communicate the results of an online marketing campaign to the marketing manager. A summary can provide a concise and clear overview of the most important KPIs and measure the return on marketing investment, as well as highlight the main findings and insights from the data analysis. A summary can also include actionable suggestions and best practices for improving the campaign performance and achieving the marketing objectives. A summary is different from other options, such as a real-time monitor, a self-service dashboard, or a spreadsheet of raw data, which may not provide enough context, interpretation, or guidance for the manager.
Therefore, the correct answer is D. References: How to Write a Data Analysis Report: 6 Essential Tips, How to Write a Marketing Report (with Pictures) - wikiHow


NEW QUESTION # 22
A data analyst received the information in the table below from a recently completed marketing campaign:

Which of the following is the total order conversion rate?

  • A. 85.2%
  • B. 22.3%
  • C. 13.2%
  • D. 14.8%

Answer: D

Explanation:
The correct answer is A. 13.2%.
The total order conversion rate is the ratio of the total number of orders to the total number of clicks, expressed as a percentage. To calculate the total order conversion rate, we need to sum up the clicks and orders from all the channels, and then divide the orders by the clicks and multiply by 100.
Using the data from the table, we can do the following:
* Total clicks = 580 + 800 + 1,200 + 300 + 620 = 3,500
* Total orders = 55 + 100 + 220 + 60 + 85 = 520
* Total order conversion rate = (520 / 3,500) x 100 = 14.857%
* Rounding to one decimal place, we get 14.9%
Therefore, the total order conversion rate is 14.9%.


NEW QUESTION # 23
Randy scored 76 on a math test, Katie scored 86 on a science test, Ralph scored 80 on a history test, and Jean scored 80 on an English test. The table below contains the mean and standard deviation of the scores for each of the courses:

Using this information, which of the following students had the BEST score?

  • A. Randy
  • B. Ralph
  • C. Katie
  • D. Jean

Answer: C

Explanation:
To compare the students' scores, we need to standardize them by using the z-score formula, which is:
z = (x - #) / #
where x is the raw score, # is the mean, and # is the standard deviation. The z-score tells us how many standard deviations a score is above or below the mean. A higher z-score means a better score relative to the average.
Using the table, we can calculate the z-scores for each student as follows:
Randy: z = (76 - 70) / 2 = 3 Katie: z = (86 - 80) / 3 = 2 Ralph: z = (80 - 75) / 2 = 2.5 Jean: z = (80 - 90) / 1 =
-10
The student with the highest z-score is Randy, with a z-score of 3. This means that Randy scored 3 standard deviations above the mean in math, which is the best performance among the four students. Therefore, the correct answer is A.
References: Comparing with z-scores (video) | Z-scores | Khan Academy, 17 Important Data Visualization Techniques | HBS Online


NEW QUESTION # 24
An analyst in a consumer bank department wants to showcase the concentration of accounts opened in the United States by ZIP Code to describe the effectiveness of the bank's marketing campaigns. Which of the following would be the best way to visualize the data?

  • A. A tree map
  • B. A waterfall chart
  • C. A stacked chart
  • D. A geographic map

Answer: D


NEW QUESTION # 25
A business unit made the following modification to the values in a table:

Which of the following data quality dimensions was applied in this scenario?

  • A. Consistency
  • B. Accuracy
  • C. Completeness
  • D. Integrity

Answer: B


NEW QUESTION # 26
......

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