MISY 262 Final Exam Questions with Answers
100% Verified Graded A+
1. Business Analytics
Answer: The process of gathering, inspecting, cleaning, transforming, and modeling data with the goal of
discovering useful information to suggest conclusions and support decision making
2. Descriptive Statistics
Answer: uses data to provide descriptions of the population either through charts, tables, or numerical
calculations; describes the KNOWN data; draws insights from past data --> more meaningful
3. Examples of Descriptive Statistics
Answer: mean, median, mode, range, standard deviation
4. Inferential Statistics
Answer: making inferences by comparing and predicting future outcomes (in the form of probability scores)
--> make conclusions beyond the available data
5. Data Visualization
, Answer: The representation of data in the form of charts, dashboards, etc
6. Descriptive BA
Answer: "What happened?"; understanding underlying trends and causes
7. Predictive BA
Answer: "What will happen and when?"; accurate projections of future events and outcomes by looking at past
data
8. Prescriptive BA
Answer: "What should I do?"; makes decisions to achieve the best performance possible; uses descriptive
and predictive analytics to create alternatives --> find the best one
EX netflix creates personalized movie recommendations
9. Script
Answer: Top Left Corner; where the code is written
10. Console
Answer: bottom left corner; shows the output of the code that has been run
11. Environment
Answer: top right corner; displays the set of external elements that have been added EX x=3
12. Graphical Output
Answer: bottom right corner; displays the graphs created during exploratory data analysis
13. <- OR =
, Answer: symbols to assign values to R
14. Numeric
Answer: real numbers
15. Integer
Answer: whole numbers
16. Logical
Answer: true/false
17. Vectors
Answer: OBJECTS which represent one-dimensional arrays that can hold NUMERIC data, character data, or
logical data
18. c()
Answer: what is the function to create a vector
19. class()
Answer: what is the function for the class of an object
20. vector()
Answer: what is the function for a vector of a numeric type
21. as.integer()
Answer: what is the function for an integer variable in R
100% Verified Graded A+
1. Business Analytics
Answer: The process of gathering, inspecting, cleaning, transforming, and modeling data with the goal of
discovering useful information to suggest conclusions and support decision making
2. Descriptive Statistics
Answer: uses data to provide descriptions of the population either through charts, tables, or numerical
calculations; describes the KNOWN data; draws insights from past data --> more meaningful
3. Examples of Descriptive Statistics
Answer: mean, median, mode, range, standard deviation
4. Inferential Statistics
Answer: making inferences by comparing and predicting future outcomes (in the form of probability scores)
--> make conclusions beyond the available data
5. Data Visualization
, Answer: The representation of data in the form of charts, dashboards, etc
6. Descriptive BA
Answer: "What happened?"; understanding underlying trends and causes
7. Predictive BA
Answer: "What will happen and when?"; accurate projections of future events and outcomes by looking at past
data
8. Prescriptive BA
Answer: "What should I do?"; makes decisions to achieve the best performance possible; uses descriptive
and predictive analytics to create alternatives --> find the best one
EX netflix creates personalized movie recommendations
9. Script
Answer: Top Left Corner; where the code is written
10. Console
Answer: bottom left corner; shows the output of the code that has been run
11. Environment
Answer: top right corner; displays the set of external elements that have been added EX x=3
12. Graphical Output
Answer: bottom right corner; displays the graphs created during exploratory data analysis
13. <- OR =
, Answer: symbols to assign values to R
14. Numeric
Answer: real numbers
15. Integer
Answer: whole numbers
16. Logical
Answer: true/false
17. Vectors
Answer: OBJECTS which represent one-dimensional arrays that can hold NUMERIC data, character data, or
logical data
18. c()
Answer: what is the function to create a vector
19. class()
Answer: what is the function for the class of an object
20. vector()
Answer: what is the function for a vector of a numeric type
21. as.integer()
Answer: what is the function for an integer variable in R
