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
- NCR Teradata
- 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
