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