AND CORRECT ANSWER WITH EXPLANATION GRADED
A+ STUDY GUIDE SOUTHERN NEW HAMPSHIRE
UNIVERSITY
1. Quantitative analysis involves:
A. Numerical data analysis
B. Storytelling only
C. Hardware repair
D. Image editing
Answer: A
Rationale: It focuses on numbers and measurable data.
2. The main goal of quantitative analysis is to:
A. Make data-driven decisions
B. Write essays
C. Design websites
D. Build networks
Answer: A
Rationale: It supports decision-making using numbers.
3. Data in quantitative analysis is mainly:
A. Numerical
B. Text-only
C. Images only
D. Random files
Answer: A
Rationale: It uses measurable values.
4. A variable is:
,A. A measurable characteristic
B. A hardware device
C. A software program
D. A network cable
Answer: A
Rationale: Variables change and can be measured.
5. Independent variable is:
A. The variable that is changed
B. The outcome variable
C. A constant
D. A random factor
Answer: A
Rationale: It influences other variables.
6. Dependent variable is:
A. The outcome measured
B. The manipulated variable
C. A constant
D. A random input
Answer: A
Rationale: It depends on independent variable.
7. Descriptive statistics are used to:
A. Summarize data
B. Predict data
C. Encrypt data
D. Delete data
Answer: A
Rationale: They describe data features.
8. Inferential statistics are used to:
, A. Make predictions
B. Store data
C. Delete data
D. Encrypt data
Answer: A
Rationale: They infer conclusions from samples.
9. Mean is:
A. Average value
B. Middle value
C. Most frequent value
D. Random value
Answer: A
Rationale: Sum divided by number of values.
10. Median is:
A. Middle value
B. Average value
C. Highest value
D. Lowest value
Answer: A
Rationale: Central value in ordered data.
11. Mode is:
A. Most frequent value
B. Average
C. Middle value
D. Random value
Answer: A
Rationale: Most occurring value.
12. Standard deviation measures: