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