- What is the primary purpose of business analytics?
A) Making artwork
B) Writing reports
C) Improving business decisions
D) Sending emails
Answer: C) Improving business decisions - Which type of analytics identifies the root cause of a problem?
A) Descriptive
B) Diagnostic
C) Predictive
D) Prescriptive
Answer: B) Diagnostic - What does prescriptive analytics help with?
A) Describing past events
B) Diagnosing failures
C) Making future decisions
D) Drawing graphs
Answer: C) Making future decisions - Which field focuses on extracting patterns from large datasets?
A) Graphic design
B) Data mining
C) Networking
D) Marketing
Answer: B) Data mining - What is a data warehouse used for?
A) Email distribution
B) Video storage
C) Aggregating and storing structured data
D) Printing documents
Answer: C) Aggregating and storing structured data - Which term refers to data shown as charts or infographics?
A) Data cleaning
B) Data scripting
C) Data visualization
D) Data warehousing
Answer: C) Data visualization - Who typically builds dashboards and visual reports from data?
A) Electricians
B) Data analysts
C) Mechanics
D) Architects
Answer: B) Data analysts - Which job role is responsible for creating and maintaining data systems?
A) Data scientist
B) Data engineer
C) Business executive
D) Auditor
Answer: B) Data engineer - Which analytics type uses previous data to make predictions?
A) Descriptive
B) Diagnostic
C) Predictive
D) Prescriptive
Answer: C) Predictive - Which analytics type helps answer “what happened”?
A) Predictive
B) Descriptive
C) Diagnostic
D) Prescriptive
Answer: B) Descriptive - What is the first step in the business analytics process?
A) Visualization
B) Data analysis
C) Data collection
D) Decision-making
Answer: C) Data collection - What does “data cleaning” aim to fix?
A) Charts and visuals
B) Broken servers
C) Incorrect, outdated, or missing data
D) Paper records
Answer: C) Incorrect, outdated, or missing data - Which tool uses historical data to predict future revenue?
A) Text mining
B) Forecasting
C) Reporting
D) ETL
Answer: B) Forecasting - What is knowledge discovery in data also called?
A) Data staging
B) ETL
C) Data mining
D) Data fusing
Answer: C) Data mining - Which professionals manage models and algorithms in analytics?
A) HR managers
B) Developers
C) Data scientists
D) Designers
Answer: C) Data scientists - Which language is commonly used by data scientists?
A) HTML
B) JavaScript
C) Python
D) Swift
Answer: C) Python - What can text analysis help extract from documents?
A) Barcodes
B) Images
C) Patterns and trends
D) Passwords
Answer: C) Patterns and trends - Which of these is a benefit of business analytics?
A) Higher phone bills
B) Enhanced customer service
C) Longer meetings
D) Increased paperwork
Answer: B) Enhanced customer service - What is the main output of predictive modeling?
A) Patterns
B) Visual charts
C) Hypotheses about future behaviors
D) HTML pages
Answer: C) Hypotheses about future behaviors - What does a data silo refer to?
A) A backup server
B) A machine learning tool
C) Isolated data not shared across departments
D) A type of cloud storage
Answer: C) Isolated data not shared across departments - Which analytics type helps prevent problems before they happen?
A) Diagnostic
B) Prescriptive
C) Predictive
D) Descriptive
Answer: C) Predictive - Which method supports decision-making by suggesting best actions?
A) Predictive analytics
B) Prescriptive analytics
C) Diagnostic analytics
D) Exploratory analytics
Answer: B) Prescriptive analytics - What’s an example of a prescriptive analytics use case?
A) Pie chart showing customer age groups
B) Predicting sales drop
C) Determining best content types for marketing
D) Cleaning old data
Answer: C) Determining best content types for marketing - What’s one major reason for data becoming outdated?
A) Natural disasters
B) Constant updates in pricing and customer info
C) Software crashes
D) Office holidays
Answer: B) Constant updates in pricing and customer info - What does a single-window view of data improve?
A) Hardware performance
B) Department collaboration
C) Operating system speed
D) Cloud upload time
Answer: B) Department collaboration - Which of the following is an example of integrated sales planning?
A) Developing a new app
B) Building a website
C) Using analytics to forecast revenue and allocate resources
D) Hiring new designers
Answer: C) Using analytics to forecast revenue and allocate resources - Which tool is commonly used for business planning before modern platforms?
A) SQL
B) Microsoft Excel
C) Tableau
D) SPSS
Answer: B) Microsoft Excel - What is the final step in the business analytics process?
A) Data cleaning
B) Data collection
C) Data visualization
D) Reporting
Answer: D) Reporting - Which of the following refers to combining internal and external data for insights?
A) Data theft
B) Data silos
C) Data augmentation
D) Data cleansing
Answer: C) Data augmentation - How do business analytics help dynamic pricing strategies?
A) Fixing prices manually
B) Using real-time data to adjust prices profitably
C) Ignoring competition
D) Sending bills faster
Answer: B) Using real-time data to adjust prices profitably
31. What is the main purpose of the Apriori algorithm?
A) Clustering customers
B) Classification of emails
C) Discovering frequent itemsets and association rules
D) Cleaning dirty data
Answer: C) Discovering frequent itemsets and association rules
32. What does “support” mean in the context of the Apriori algorithm?
A) Number of items in a basket
B) Total sales per item
C) Frequency of an itemset appearing in all transactions
D) Number of products in inventory
Answer: C) Frequency of an itemset appearing in all transactions
33. What step comes after generating frequent itemsets in Apriori?
A) Forecasting
B) Data visualization
C) Generating association rules
D) Data mining
Answer: C) Generating association rules
34. Which of the following itemsets would be considered frequent if the minimum support is 50% and it appears in 3 out of 6 transactions?
A) Not frequent
B) Frequent
C) Never occurs
D) Needs confidence calculation
Answer: B) Frequent
35. If {Milk, Bread} appears in 4 transactions and {Milk, Bread, Butter} appears in 3, what is the confidence of the rule {Milk, Bread} → Butter?
A) 25%
B) 50%
C) 75%
D) 100%
Answer: C) 75%
36. In a single predictor model, how many independent variables are used to predict the outcome?
A) Two
B) One
C) Three
D) None
Answer: B) One
37. Which of the following is a valid example of a multiple predictor model?
A) Final score ~ Hours studied
B) Final score ~ GPA
C) Final score ~ Attendance + GPA + Study Hours
D) Final score ~ Exam Type
Answer: C) Final score ~ Attendance + GPA + Study Hours