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