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CompTIA DA0-001 Practice Test - Questions Answers, Page 15

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Question 141

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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:

CompTIA DA0-001 image Question 141 95315 10022024175130000000

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

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Question 142

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A financial institution is reporting on sales performance to a company at the account level. Due to the sensitive nature of the government the does il with, some account information is not shown.

Which of the following fields should be masked?

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Question 143

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'Which of the following is the BEST reason to use database views instead of tables?

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Question 144

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A data analyst needs to create a data visualization that aids in un the cumulative impact of sequentially introduced values that are positive or negative. Which of the following data visualization methods should the analyst use?

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Question 145

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Given the data below:

CompTIA DA0-001 image Question 145 95319 10022024175130000000

In which of the following file formats is the data presented?

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Question 146

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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?

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Question 147

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Which of the following differentiates a flat text file from other data types?

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Question 148

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Which of the following is an example of a data-mining ETL tool?

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Question 149

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Which of the ing is the correct ion for a tab-delimited spre file?

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Question 150

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A data analyst is developing a dashboard to track and monitor metrics. Which of the following best practices should be taken into during the FIRST pment process?

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Related questions

Refer to the exhibit. A data analyst needs to calculate the mean for Q1 sales using the data set below: Which of the following is the mean?
A JSON file is an example of:
Refer to the exhibit. Given the following data tables: Which of the following MDM processes needs to take place FIRST?
Which of the following techniques is used to quantify data?
Which of the following is an example of structured data?
Which of the following data cleansing issues will be fixed when a DISTINCT function is applied?
Which of the following best describes an exploratory analysis?
Five dogs have the following heights in millimeters: 300,430, 170, 470, 600 Which of the following is the standard deviation for the five dogs?
A data analyst is designing a dashboard that will provide a story of sales and determine which site is providing the highest sales volume per customer The analyst must choose an appropriate chart to include in the dashboard. The following data is available: Which of the following types of charts should be considered?
The process of performing initial investigations on data to spot outliers, discover patterns, and test assumptions with statistical insight and graphical visualization is called: