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