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