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