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