Statistical Data Variable Type: A variable that contains a countable number of distinct values would best be categorized as which of the following variable types?
- Ordinal
- Discrete
- Ratio
- Interval
Answer: Discrete
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Big Data
- Big Data | True and False
- All of the following are true about in-database processing technology EXCEPT
- How does the use of cloud computing affect the scalability of a data warehouse?
- Which of the following statements is more descriptive of active data warehouses in contrast with traditional data warehouses?
- Active data warehousing can be used to support the highest level of decision making sophistication and power. The major feature that enables this in relation to handling the data is
- Which of the following online analytical processing (OLAP) technologies does NOT require the precomputation and storage of information?
- When querying a dimensional database, a user went from summarized data to its underlying details. The function that served this purpose is
- When representing data in a data warehouse, using several dimension tables that are each connected only to a fact table means you are using which warehouse structure?
- All of the following are benefits of hosted data warehouses EXCEPT
- Data warehouses provide direct and indirect benefits to using organizations. Which of the following is an indirect benefit of data warehouses?
- In which stage of extraction, transformation, and load (ETL) into a data warehouse are anomalies detected and corrected?
- In which stage of extraction, transformation, and load (ETL) into a data warehouse are data aggregated?
- Which approach to data warehouse integration focuses more on sharing process functionality than data across systems?
- Which data warehouse architecture uses a normalized relational warehouse that feeds multiple data marts?
- Which data warehouse architecture uses metadata from existing data warehouses to create a hybrid logical data warehouse comprised of data from the other warehouses?
- Which of the following BEST enables a data warehouse to handle complex queries and scale up to handle many more requests?
- A Web client that connects to a Web server, which is in turn connected to a BI application server, is reflective of a
- All of the following statements about metadata are true EXCEPT
- Which kind of data warehouse is created separately from the enterprise data warehouse by a department and not reliant on it for updates?
- Operational or transaction databases are product oriented, handling transactions that update the database. In contrast, data warehouses are
- The "single version of the truth" embodied in a data warehouse such as Capri Casinos' means all of the following EXCEPT
- Big Data often involves a form of distributed storage and processing using Hadoop and MapReduce. One reason for this is
- Which of the following statements about Big Data is true?
- Prescriptive BI capabilities are viewed as more powerful than predictive ones for all the following reasons EXCEPT
- How are descriptive analytics methods different from the other two types?