Business Analytics0 (0) by admin Jan 27, 2024 0 Comment 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 a key challenge associated with big data in business analytics? Lack of data sources Low processing speed Difficulty in handling large volumes of data Limited storage capacity None 2. Which type of analytics focuses on understanding what happened in the past? Inferential analytics Predictive analytics Descriptive analytics Prescriptive analytics None 3. If a machine learning model has an accuracy of 85%, how many incorrect predictions were made out of 200 instances? 170 30 15 150 None 4. In a dataset, the standard deviation is 5. If the mean is 20, what is the variance? 35 20 30 25 None 5. In predictive analytics, what does regression analysis primarily aim to do? Analyze relationships between variables Identify outliers Classify data points Optimize decision-making None 6. What is the primary goal of business analytics? Generating reports Implementing machine learning algorithms Leveraging data for business insights Creating data visualizations None 7. 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 8. If a dataset has values 15, 20, 25, 30, and 35, what is the median value? 25 35 30 27.5 None 9. Which machine learning algorithm is commonly used for classification tasks? Support vector machines Random forests All of the above Decision trees None 10. What does EDA stand for in the context of business analytics? External Data Analysis Essential Data Assessment Efficient Data Analytics Exploratory Data Analysis None Time's upTime is Up! Our Score Click to rate this post! [Total: 0 Average: 0]
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