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