Business Analytics Leave a Comment / By Admin / January 27, 2024 Welcome to your Business Analytics Exam You only have 30 minutes to answer the questions and you have two chances to answer. Name Email Business Phone Country City 1. Which type of analytics focuses on understanding what happened in the past? Inferential analytics Descriptive analytics Predictive analytics Prescriptive analytics None 2. What is the primary goal of business analytics? Implementing machine learning algorithms Leveraging data for business insights Generating reports Creating data visualizations None 3. What does EDA stand for in the context of business analytics? Exploratory Data Analysis Essential Data Assessment Efficient Data Analytics External Data Analysis None 4. In a dataset, the standard deviation is 5. If the mean is 20, what is the variance? 35 30 25 20 None 5. Which machine learning algorithm is commonly used for classification tasks? Decision trees Random forests All of the above Support vector machines None 6. In predictive analytics, what does regression analysis primarily aim to do? Identify outliers Optimize decision-making Classify data points Analyze relationships between variables None 7. A company's revenue increased by 15% last year. If the revenue was $500,000, what is the new revenue? $525,000 $575,000 $575,000 None 8. If a machine learning model has an accuracy of 85%, how many incorrect predictions were made out of 200 instances? 150 170 30 15 None 9. If a dataset has values 15, 20, 25, 30, and 35, what is the median value? 27.5 35 30 25 None 10. What is a key challenge associated with big data in business analytics? Lack of data sources Limited storage capacity Low processing speed Difficulty in handling large volumes of data None Time's upTime is Up!
