STATISTICS FOR PSYCHOLOGY EXAMINATION
QUESTIONS AND CORRECT ANSWER WITH
EXPLANATION GRADED A+ STUDY GUIDE SOUTHERN
NEW HAMPSHIRE UNIVERSITY
1. Statistics in psychology is used to:
A. Analyze and interpret data
B. Treat diseases
C. Perform surgery
D. Study dreams
Answer: A
Rationale: It helps analyze research data.
2. Descriptive statistics deals with:
A. Organizing and summarizing data
B. Predicting genetics
C. Surgery
D. Therapy
Answer: A
Rationale: It summarizes data sets.
3. Inferential statistics is used to:
A. Draw conclusions from samples
B. Collect raw data only
C. Ignore data
D. Perform experiments only
Answer: A
Rationale: It makes generalizations.
4. Population refers to:
A. Entire group being studied
B. Sample only
C. Random selection
D. Data analysis
Answer: A
Rationale: Full set of subjects.
,5. Sample is:
A. Subset of population
B. Entire population
C. Theory
D. Variable
Answer: A
Rationale: Smaller group studied.
6. Variable is:
A. A measurable characteristic
B. A constant
C. A conclusion
D. A law
Answer: A
Rationale: It can change.
7. Data is:
A. Information collected
B. Hypothesis
C. Theory
D. Opinion
Answer: A
Rationale: Raw facts and figures.
8. Qualitative data is:
A. Non-numerical data
B. Numerical data
C. Mathematical formulas
D. Experimental design
Answer: A
Rationale: Descriptive information.
9. Quantitative data is:
A. Numerical data
B. Opinions
C. Observations only
D. Theories
Answer: A
Rationale: Numbers and measurements.
, 10. Frequency refers to:
A. Number of occurrences
B. Mean value
C. Median
D. Mode
Answer: A
Rationale: Count of values.
11. Mean is:
A. Average
B. Middle value
C. Most frequent
D. Range
Answer: A
Rationale: Sum divided by count.
12. Median is:
A. Middle score
B. Average
C. Mode
D. Variance
Answer: A
Rationale: Central value.
13. Mode is:
A. Most frequent value
B. Average
C. Middle value
D. Spread
Answer: A
Rationale: Most common score.
14. Range is:
A. Difference between highest and lowest
B. Average
C. Middle value
D. Frequency
Answer: A
Rationale: Spread measure.
QUESTIONS AND CORRECT ANSWER WITH
EXPLANATION GRADED A+ STUDY GUIDE SOUTHERN
NEW HAMPSHIRE UNIVERSITY
1. Statistics in psychology is used to:
A. Analyze and interpret data
B. Treat diseases
C. Perform surgery
D. Study dreams
Answer: A
Rationale: It helps analyze research data.
2. Descriptive statistics deals with:
A. Organizing and summarizing data
B. Predicting genetics
C. Surgery
D. Therapy
Answer: A
Rationale: It summarizes data sets.
3. Inferential statistics is used to:
A. Draw conclusions from samples
B. Collect raw data only
C. Ignore data
D. Perform experiments only
Answer: A
Rationale: It makes generalizations.
4. Population refers to:
A. Entire group being studied
B. Sample only
C. Random selection
D. Data analysis
Answer: A
Rationale: Full set of subjects.
,5. Sample is:
A. Subset of population
B. Entire population
C. Theory
D. Variable
Answer: A
Rationale: Smaller group studied.
6. Variable is:
A. A measurable characteristic
B. A constant
C. A conclusion
D. A law
Answer: A
Rationale: It can change.
7. Data is:
A. Information collected
B. Hypothesis
C. Theory
D. Opinion
Answer: A
Rationale: Raw facts and figures.
8. Qualitative data is:
A. Non-numerical data
B. Numerical data
C. Mathematical formulas
D. Experimental design
Answer: A
Rationale: Descriptive information.
9. Quantitative data is:
A. Numerical data
B. Opinions
C. Observations only
D. Theories
Answer: A
Rationale: Numbers and measurements.
, 10. Frequency refers to:
A. Number of occurrences
B. Mean value
C. Median
D. Mode
Answer: A
Rationale: Count of values.
11. Mean is:
A. Average
B. Middle value
C. Most frequent
D. Range
Answer: A
Rationale: Sum divided by count.
12. Median is:
A. Middle score
B. Average
C. Mode
D. Variance
Answer: A
Rationale: Central value.
13. Mode is:
A. Most frequent value
B. Average
C. Middle value
D. Spread
Answer: A
Rationale: Most common score.
14. Range is:
A. Difference between highest and lowest
B. Average
C. Middle value
D. Frequency
Answer: A
Rationale: Spread measure.
