최신 DA0-001 무료덤프 - CompTIA Data+ Certification
An analyst needs to join two tables of data together for analysis. All the names and cities in the first table should be joined with the corresponding ages in the second table, if applicable.
Which of the following is the correct join the analyst should complete. and how many total rows will be in one table?
Which of the following is the correct join the analyst should complete. and how many total rows will be in one table?
정답: D
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A data analyst wants to create "Income Categories" that would be calculated based on the existing variable "Income". The "Income Categories" would be as follows:
Income category 1: less than $1.
Income category 2: more than $1 and less than $20,000.
Income category 3: more than $20,001 and less than $40,000.
Income category 4: more than $40,001.
Which of the following data manipulation techniques should the data analyst use to create "Income Categories"?
Income category 1: less than $1.
Income category 2: more than $1 and less than $20,000.
Income category 3: more than $20,001 and less than $40,000.
Income category 4: more than $40,001.
Which of the following data manipulation techniques should the data analyst use to create "Income Categories"?
정답: B
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Refer to the exhibit.
A development company is constructing a new Init in its apartment complex. The complex has the following floor plans:
Using the average cost per square foot of the original floor plans. which of the following should be the price of the Rose Init?
A development company is constructing a new Init in its apartment complex. The complex has the following floor plans:
Using the average cost per square foot of the original floor plans. which of the following should be the price of the Rose Init?
정답: C
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An analyst is designing a dashboard to determine which site has the highest percentage of new customers. 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 to BEST display the data?
Which of the following types of charts should be considered to BEST display the data?
정답: B
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Given the information in the following tables:
Which of the following describes merging these tables to create a master file that includes all transactions for both online and in-store sales?
Which of the following describes merging these tables to create a master file that includes all transactions for both online and in-store sales?
정답: D
An employer needs to maintain adequate office staffing during the winter and wants to track storm dat a. Which of the following data collection methods should the employer use?
정답: A
An e-commerce company recently tested a new website layout. The website was tested by a test group of customers, and an old website was presented to a control group. The table below shows the percentage of users in each group who made purchases on the websites:
Which of the following conclusions is accurate at a 95% confidence interval?
Which of the following conclusions is accurate at a 95% confidence interval?
정답: A
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Which of the following is a non-parametric test?
정답: D
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Daniel is using the structured Query language to work with data stored in relational database.
He would like to add several new rows to a database table.
What command should he use?
He would like to add several new rows to a database table.
What command should he use?
정답: D
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An analyst is creating a resource to improve users' experience when they select specific records based on particular dates. Which of the following should the analyst use to create a resource that best meets user needs?
정답: A
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Which of the following would be the best way to identify multicollinear attributes in a data set?
정답: C
Refer to the exhibit.
Given the diagram below:
Which of the following types of sampling is depicted in the image?
Given the diagram below:
Which of the following types of sampling is depicted in the image?
정답: C
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Which of the following is used for calculations and pivot tables?
정답: A
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You are working with a professional statistician to perform an analysis and would like to use a statistics package.
Which one of the following would be the most appropriate?
Which one of the following would be the most appropriate?
정답: D
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An analyst is required to run a text analysis of data that is found in articles from a digital news outlet. Which of the following would be the BEST technique for the analyst to apply to acquire the data?
정답: C
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Each month an analyst needs to execute a data pull for the two prior months. Which of the following is the most efficient function for the analyst to use?
정답: C
Which of the following is an example of PII?
정답: C
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Refer to the exhibit.
Given the diagram below:
Which of the following data schemas shown?
Given the diagram below:
Which of the following data schemas shown?
정답: B
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A data analyst needs to create a dashboard using the company's yearly revenue data sets. Which of the following would be the best way to plot the information to show the top-performing region?
정답: C