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CompTIA DA0-001 Practice Test - Questions Answers, Page 16

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List of questions

Question 151

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Which of the following query optimization techniques involves examining only the data that is needed for a particular task?

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Question 152

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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:

CompTIA DA0-001 image Question 152 95326 10022024175130000000

Which of the following types of charts should be considered to best display the data?

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Question 153

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Which of the following is a difference between a primary key and a unique key?

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Question 154

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Which of the following statements would be used to append two tables that have the same number of columns?

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Question 155

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Which of the following is a non-parametric test?

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Question 156

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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?

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Question 157

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

CompTIA DA0-001 image Question 157 95331 10022024175130000000

Which of the following is the total order conversion rate?

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Question 158

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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:

CompTIA DA0-001 image Question 158 95332 10022024175130000000

Which of the following types of charts should be considered?

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Question 159

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A data set was recorded using multimedia technology. Which of the following is a necessary step on the way to interpretation?

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Question 160

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Given the below:

CompTIA DA0-001 image Question 160 95334 10022024175130000000

Which of the following numbers represents a Type I error?

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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?
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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?
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