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