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