CSAQuiz1

Amongst which of the following is / are true with reference to hypothesis?

• A statement that the researcher wishes to put to the test using the information gathered during a study.

• A research question that will be answered as a result of the findings.

• A theory that serves as the foundation for the research.

• the application of statistics to determine the extent to which the outcomes could have been caused by chance

Descriptive analytics is a statistical method that is used to search and summarize ____ in order to identify patterns or meaning.

• Account data

• Historical data

• Financial data

• Numerical Data

......... is concerned mainly with analyzing data through describing, summarizing, classifying, and clustering the data so as to find useful patterns, links, or associations within it.

• Big data

• Data mining

• Clustering

• Association

OLAP stands for?

• Offline Analytical Processing Server
  

• Online Analysts Processing Server
  

• Online Access Processing Server
  

• Online Analytical Processing Server

 _________ uses array-based multidimensional storage engines for multidimensional views of data.

• KOLAP
  

• MOLAP
  

• ROLAP
  

• Specialized SQL Server

Which of the following is false about OLAP?

• Involves historical processing of information
  

• Useful in analyzing the business
  

• Number or users is in millions
  

• Number of records accessed is in millions

Predictive analytics answers the question, "What will happen?"

• True

• False

• Cant Say

Prescriptive analytics makes the use of machine learning to help ____ to decide a course of action based on a computer program's predictions.

• 1. Business organizations

• 1. System development

• 1. Employees development

• 1. All of the mentioned above

Prescriptive analytics is a process that _____ and provides instant recommendations on how to optimize business practices.

• 1. Data storage

• 1. Data ingestion

• 1. Analyzes data

• 1. None of the mentioned

Given email labeled as spam/not spam, learn a spam filter. Which learning model suits this.