Here in this post you will find all the answers of **Artificial Intelligence Foundations Course 4 Exams – SkillUp.**

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**Program Outline: (All Exams answers links)**

- Course 1: Introduction to Artificial Intelligence
- Course 2: Database Concepts
- Course 3: AI Programming Fundamentals: Python
- Course 4: AI Statistics: Python
- Course 5: Data Visualization with Python
- Final Exam

Let’s start with Course 4: AI Statistics: Python which is a part of **Artificial Intelligence Foundation Exams – SkillUp**

### Course 4: AI Statistics: Python

### Artificial Intelligence Foundations Course 4 Exams answers – SkillUp

**Module 4.1 Exam – 3 Questions**

**Question 1.** **Cognos is a business intelligence performance management tool for IBM that allows technical and non-technical employees in any company to,**

- write code in any language
- create interactive dashboards
- write AI code
- create charts and graphs

**Answer:** create interactive dashboards

**Question 2. Cognos can only accept data from which company ,**

- Microsoft
- Oracle
- NCR Teradata
- SAP
- All of the above

**Answer:** All of the above

**Question 3. Select all of the advantages of Cognos.**

- It’s free
**Data exploration****Data sharing**- Does not require coding
**Data preparation**

**Answer:** Data exploration, Data sharing, Data preparation

**Module 4.2 Exam – 5 Questions**

**Question 1. A simple mathematical average of a set of two or more numbers is called what?**

- Median
- Mode
- Average
- Mean

**Answer:** Mean

**Question 2. The middle number in a data set is called the,**

- Median
- Mode
- Average
- Mean

**Answer:** Median

**Question 3. A collection of information that is divided into groups is called,**

- Categorical Data
- Quantitative data
- Median data
- Counted data

**Answer:** Categorical Data

**Question 4. Determining the strengths of the relationship between a dependent variable and an independent variable you would use,**

- Python code
- Root Mean Square Error
- Linear Regression
- SPSS

**Answer:** Linear Regression

**Question 5. Which of the following are considered Business Intelligence Tools?**

**Tableau**- Visio
**Power BI****SPSS****Excel**

**Answer:** Tableau, Power BI, SPSS, Excel

**Final ****Exam – 10 Questions**

*Artificial Intelligence Foundations Course 4 Exams answers – SkillUp*

**Question 1. What are the advantages of IBM Cognos?**

**Data Preparation****Data Sharing**- Does not require coding
**Data Exploration**

**Answer:** Data Preparation, Data Sharing, Data Exploration

**Question 2. A statistical measure that determines the middle value of a dataset listed in ascending order is called**

- Mean
- Mode
- Median
- Standard Deviation

**Answer:** Median

**Question 3. Categorical data are measures of values or counts and are expressed as numbers, both whole numbers and numbers with decimals.**

- True
- False

**Answer:** False

**Question 4. Which of the following are the examples of Categorical Data?**

**gender**- a jar of coffee beans
**seasons****Proficiency level**

**Answer:** gender, seasons, Proficiency level

**Question 5. Probability is used extensively in AI to develop machine learning models which will predict the outcome based on probability.**

- False
- True

**Answer:** True

**Question 6. What does the above graph represent?**

- Positive Correlation
- Negative Correlation
- No Correlation

**Answer:** Positive Correlation

**Question 7. Two Statistically Dependent random variables X and Y are said to be negatively dependent if the inequalities are reversed**

- True
- False

**Answer:** True

**Question 8. Which of the following are Statistical Analysis tools?**

**SPSS**- Visio
- Axure
**Tableau**

**Answer:** SPSS, Tableau

**Question 9. ** **48.24, 87.04, 34.98, 25.61, 90.08 **

**Calculate the mean of the following (upto 2 decimal places)**

**Answer:** 57.19

**Question 10. ** **10.97, 12.34, 23.32, 23.12, 16.96, 23.46, 21.21, 16.39**

**Calculate the standard deviation of the following (upto 2 decimal places)**

**Answer:** 4.71

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