Business Analytics

Welcome to your Business Analytics Exam

You only have 30 minutes to answer the questions and you have two chances to answer.

1. 
Which type of analytics focuses on understanding what happened in the past?

2. 
A company's revenue increased by 15% last year. If the revenue was $500,000, what is the new revenue?

3. 
If a dataset has values 15, 20, 25, 30, and 35, what is the median value?

4. 
Which machine learning algorithm is commonly used for classification tasks?

5. 
In predictive analytics, what does regression analysis primarily aim to do?

6. 
In a dataset, the standard deviation is 5. If the mean is 20, what is the variance?

7. 
If a machine learning model has an accuracy of 85%, how many incorrect predictions were made out of 200 instances?

8. 
What does EDA stand for in the context of business analytics?

9. 
What is a key challenge associated with big data in business analytics?

10. 
What is the primary goal of business analytics?

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