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. If a dataset has values 15, 20, 25, 30, and 35, what is the median value? 30 25 35 27.5 None 2. What does EDA stand for in the context of business analytics? External Data Analysis Efficient Data Analytics Essential Data Assessment Exploratory Data Analysis None 3. What is the primary goal of business analytics? Leveraging data for business insights Generating reports Creating data visualizations Implementing machine learning algorithms None 4. What is a key challenge associated with big data in business analytics? Lack of data sources Low processing speed Limited storage capacity Difficulty in handling large volumes of data None 5. Which machine learning algorithm is commonly used for classification tasks? Decision trees Support vector machines All of the above Random forests None 6. Which type of analytics focuses on understanding what happened in the past? Descriptive analytics Inferential analytics Predictive analytics Prescriptive analytics None 7. In predictive analytics, what does regression analysis primarily aim to do? Identify outliers Analyze relationships between variables Optimize decision-making Classify data points None 8. If a machine learning model has an accuracy of 85%, how many incorrect predictions were made out of 200 instances? 15 30 170 150 None 9. 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 10. In a dataset, the standard deviation is 5. If the mean is 20, what is the variance? 35 25 20 30 None Time's upTime is Up!
