Value of Data FC0-U71 Practice Questions (Page 5)

Questions 21–25

1. 21expert · hard

   A financial analyst needs to predict quarterly sales for a retail company. They have structured sales data from the past five years and unstructured data from customer reviews. The analyst wants to improve prediction accuracy. What is the most effective approach?

   • AUse a simple average of past sales as the prediction because it is the most reliable method.
   • BUse only the customer reviews to gauge sentiment and predict sales based on positive or negative trends.
   • CCombine structured sales data with sentiment scores derived from customer reviews to build a predictive model.
   • DUse only the structured sales data to build a time-series forecast model.
   Reveal Solution Discussion Select an answer first
2. 22application · medium

   A fitness app company wants to collect user activity data to improve its features. They plan to gather data from wearable devices, user input logs, and app usage analytics. Which data collection approach best balances data value with user privacy?

   • ACollect only the data that users explicitly provide through forms, ignoring automatic collection from devices.
   • BCollect data only from wearable devices because they are the most accurate source.
   • CCollect all available data without asking for consent to maximize the value of the data.
   • DCollect data from all sources but anonymize it and obtain user consent before collection.
   Reveal Solution Discussion Select an answer first
4. 23application · medium

   A hospital wants to analyze patient feedback to improve service quality. They have two data sets: a structured database of patient satisfaction scores (1–5) and a collection of free-text comments from patient surveys. The analytics team needs to extract insights from both. What is the most important consideration when analyzing these two data sets together?

   • AThe free-text comments are more valuable because they provide detailed reasons, so the scores should be ignored.
   • BThe data sets cannot be combined because structured and unstructured data are fundamentally incompatible.
   • CBoth data sets must be analyzed together, but the unstructured comments require different techniques such as text analysis or categorization.
   • DThe structured scores are more valuable because they are numeric and can be easily averaged, so the comments should be ignored.
   Reveal Solution Discussion Select an answer first
5. 24foundation · easy

   Why is data security important for an organization?

   • AIt makes data easier to visualize
   • BIt protects sensitive information from breaches and data loss
   • CIt increases the speed of data analysis
   • DIt reduces the amount of storage needed
   Reveal Solution Discussion Select an answer first
6. 25foundation · easy

   What is the primary purpose of data analysis?

   • ATo delete data that is no longer needed
   • BTo encrypt data for transmission
   • CTo store data in a secure location
   • DTo extract meaningful insights from data
   Reveal Solution Discussion Select an answer first