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DELL D-DS-FN-23 Practice Test - Questions Answers, Page 3

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List of questions

Question 21

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After which phase of the data analytics lifecycle should you determine if the model needs any recalibration?

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Question 22

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What is a recommended use case for regular expressions?

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Question 23

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In time series analysis, what function is examined to identify the order of the autoregressive component of an ARIMA model?

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Question 24

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What does a branch represent in a decision tree?

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Question 25

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What is the purpose of applying the nave Bayes conditional independence assumption?

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Question 26

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What data asset is an example of quasi-structured data?

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Question 27

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In K-means clustering, what is a graph of the WSS versus the value of K used to help determine?

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Question 28

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What type of variable is the dependent variable from a logistic regression?

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Question 29

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In ANOVA, what is the null hypothesis for k population means?

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Question 30

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When using association rules, what is an itemset?

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