Free D-DS-FN-23 – Dell Data Science Foundations Practice Test Question

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• ○ Extremely large dataset size
• ○ Static archived paper records
• ○ Single user transaction log
• ○ Small single spreadsheet file

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• ○ Data velocity characteristic
• ○ Data variety characteristic
• ○ Data value characteristic
• ○ Data veracity characteristic

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• ○ Avoiding customer insight efforts
• ○ Eliminating skilled analyst roles
• ○ Improving data driven decisions
• ○ Reducing all data collection

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• ○ Manual filing skills only
• ○ Programming and coding skills
• ○ Physical hardware repair only
• ○ Statistical analysis skills

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• ○ Model building activities
• ○ Operationalize phase activities
• ○ Discovery phase activities
• ○ Data preparation activities

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• ○ Selecting modeling algorithms only
• ○ Presenting final business results
• ○ Cleaning and conditioning data
• ○ Deploying models into production

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• ○ Selects modeling techniques approaches
• ○ Archives all source data
• ○ Writes final executive presentation
• ○ Monitors production model drift

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• ○ Defining business problem clearly
• ○ Tuning final model parameters
• ○ Deploying dashboards to users
• ○ Formulating initial hypotheses

Answer is in the explanation below.

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• ○ Density curve display
• ○ Histogram bin display
• ○ Bar chart display
• ○ Pie chart display

Answer is in the explanation below.

Answer is in the explanation below.