# AI Statistics Python by SkillUp Exam Answers

## AI Statistics Python by SkillUp Exam Answers

Exam 4.1 – 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

Question 2: Cognos can only accept data from which company ,

• Microsoft
• Oracle
• SAP
• 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 prparation

Exam 4.2 – 5 Questions

Question 1: A simple mathematical average of a set of two or more numbers is calles what?

• Median
• Mode
• Average
• Mean

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

• Median
• Mode
• Average
• Mean

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

• Categorical Data
• Quantitative data
• Median data
• Counted data

Question 4: Determinung 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

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

• Tableau
• Visio
• Power BI
• SPSS
• Excel

Final Exam – 10 Questions

Question 1: What are the advantages of IBM Cognos?

• Data Preparation
• Data Sharing
• Does not require coding
• 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

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

• True
• False

Question 4: Which of the following are the examples of Categorical Data?

• gender
• a jar of coffee beans
• 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

Question 6: What does the above graph represent?

• Positive Correlation
• Negative Correlation
• No Correlation

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

• True
• False

Question 8: Which of the following are Statistical Analysis tools?

• SPSS
• Visio
• Axure
• Tableau

Question 9: 48.24, 87.04, 34.98, 25.61, 90.08

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

• 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)

• 4.71

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