ITEC 3040 – Midterm (20 points)
Course Instructor: Prof. Arik Senderovich
Course TA: Mr. Ali Alaee
Date: 11/2/2022
General instructions:
- Midterm duration is 120 minutes (2:30-4:30 PM).
- You are allowed to use the calculator. Any other material is forbidden (closed book).
- For multiple choice questions, circle the correct answer inside the exam document itself.
There can be only one correct answer.
- Answers to the open questions should be written inside the Booklets.
Part 1. Multiple Choice Questions (2 points per question; total = 10 points)
1. The following variable types cannot be distinguished without additional knowledge:
a. Binary and Numeric
b. Nominal and Ordinal
c. Nominal and Numeric
d. Ordinal and Numeric
e. All the above
2. Which of the following is NOT a measure of dispersion:
a. Inter-quantile range
b. Variance
c. Standard deviation
d. Minimum
3. According to the following plot:
a. There is a positive correlation between the two variables
b. There is a negative correlation between the two variables
c. There is no correlation
d. Correlation depends on the values
This study source was downloaded by 100000899606070 from CourseHero.com on 06-24-2025 21:05:02 GMT -05:00
https://www.coursehero.com/file/224338192/ITEC-3040-midterm-solutiondocx/
Course Instructor: Prof. Arik Senderovich
Course TA: Mr. Ali Alaee
Date: 11/2/2022
General instructions:
- Midterm duration is 120 minutes (2:30-4:30 PM).
- You are allowed to use the calculator. Any other material is forbidden (closed book).
- For multiple choice questions, circle the correct answer inside the exam document itself.
There can be only one correct answer.
- Answers to the open questions should be written inside the Booklets.
Part 1. Multiple Choice Questions (2 points per question; total = 10 points)
1. The following variable types cannot be distinguished without additional knowledge:
a. Binary and Numeric
b. Nominal and Ordinal
c. Nominal and Numeric
d. Ordinal and Numeric
e. All the above
2. Which of the following is NOT a measure of dispersion:
a. Inter-quantile range
b. Variance
c. Standard deviation
d. Minimum
3. According to the following plot:
a. There is a positive correlation between the two variables
b. There is a negative correlation between the two variables
c. There is no correlation
d. Correlation depends on the values
This study source was downloaded by 100000899606070 from CourseHero.com on 06-24-2025 21:05:02 GMT -05:00
https://www.coursehero.com/file/224338192/ITEC-3040-midterm-solutiondocx/
