Q1. Which statistical measure identifies the value that appears repeatedly more times than any other observation within a complete data set
A. Average obtained by total division
B. Central positioned arranged value
C. Value occurring with highest frequency
D. Gap between extreme values
Answer Value occurring with highest frequency
Q2. Which statistical idea explains the extent to which data values scatter around a central reference point
A. Method explaining data averages
B. Technique describing data balance
C. Concept measuring spread of observations
D. Process showing data arrangement
Answer Concept measuring spread of observations
Q3. Which average remains stable and reliable even when a data set contains very high or very low extreme values
A. Average based on total sum
B. Most frequent value method
C. Middle positioned ordered value
D. Average based on product values
Answer Middle positioned ordered value
Q4. Which visual statistical tool best represents grouped data where values are continuous and class intervals are adjoining
A. Diagram using separated rectangles
B. Circular proportional representation
C. Adjacent rectangular frequency display
D. Broken line graphical form
Answer Adjacent rectangular frequency display
Q5. In statistics, what does the arithmetic mean primarily represent when interpreting numerical information
A. Largest numerical observation
B. Smallest numerical observation
C. Overall representative balance point
D. Count of total observations
Answer Overall representative balance point
Q6. Which statistical term defines the numerical gap obtained after subtracting the smallest value from the largest value
A. Spread based on quartiles
B. Average distance calculation
C. Difference between extreme values
D. Sampling accuracy estimate
Answer Difference between extreme values
Q7. Which category of data includes measurements that can assume fractional or decimal numerical values
A. Count based numerical data
B. Word based descriptive data
C. Measured values on continuous scale
D. Group named classification data
Answer Measured values on continuous scale
Q8. Which statistical measure is obtained by averaging squared differences of observations from their mean value
A. Absolute difference averaging
B. Root based deviation method
C. Mean of squared deviations
D. Positional spread calculation
Answer Mean of squared deviations
Q9. In a distribution showing positive skewness, how are the average and middle value usually positioned
A. Average lies below middle
B. Average equals central value
C. Average lies above middle
D. Middle exceeds most frequent
Answer Average lies above middle
Q10. Which diagram is mainly used to display how individual components contribute proportionally to an entire quantity
A. Vertical rectangular comparison
B. Continuous frequency display
C. Circular sector based diagram
D. Rising cumulative curve
Answer Circular sector based diagram
Q11. Which statistical technique determines the strength and direction of association between two numerical variables
A. Data grouping procedure
B. Information listing method
C. Relationship measurement technique
D. Central value calculation
Answer Relationship measurement technique
Q12. Which measure of central tendency best represents income data where extreme values may distort averages
A. Total based average value
B. Most common income level
C. Central dividing income value
D. Difference between incomes
Answer Central dividing income value
Q13. What numerical value does standard deviation take when every observation in the data set is exactly identical
A. Largest possible magnitude
B. Fixed value of one
C. No variation present value
D. Undefined numerical result
Answer No variation present value
Q14. Which graphical curve is drawn to represent cumulative totals of frequencies across successive class intervals
A. Joined midpoint line graph
B. Adjacent bar frequency form
C. Cumulative frequency rising curve
D. Simple vertical bar diagram
Answer Cumulative frequency rising curve
Q15. Which measure of central tendency is preferred when class intervals are open at one or both ends
A. Total based average method
B. Most frequent class approach
C. Middle locating calculation method
D. Reciprocal based average
Answer Middle locating calculation method
Q16. Which dispersion measure relies on the difference between upper and lower quartiles around the median value
A. Absolute deviation approach
B. Root mean square method
C. Quartile based spread measure
D. Squared deviation average
Answer Quartile based spread measure
Q17. Which statistical measure compares variability with the mean value and expresses it in percentage terms
A. Absolute spread indicator
B. Root deviation magnitude
C. Relative variability percentage measure
D. Positional spread indicator
Answer Relative variability percentage measure
Q18. What is the main purpose of statistics when analyzing large quantities of numerical information
A. Making numbers harder
B. Eliminating original facts
C. Reducing complexity for understanding
D. Concealing actual outcomes
Answer Reducing complexity for understanding
Q19. Which statistical value divides an ordered series of observations into two numerically equal halves
A. Overall calculated average
B. Most repeated observation
C. Central dividing positional value
D. Maximum minus minimum
Answer Central dividing positional value
Q20. Which type of statistical data describes qualities or characteristics rather than measurable numerical amounts
A. Count based number data
B. Measured continuous values
C. Attribute based descriptive information
D. Calculated quantitative figures
Answer Attribute based descriptive information
