Q1: 1. What is the median of the following data set: 12, 15, 18, 21, 24?

• A) 15
• B) 18
• C) 19.5
• D) 21

Q2: 2. Which of the following is a measure of central tendency?

• A) Range
• B) Variance
• C) Mean
• D) Standard Deviation

Q3: 3. What is the mode of the data set: 5, 7, 8, 7, 9, 7, 12?

• A) 5
• B) 7
• C) 8
• D) 9

Q4: 4. If the variance of a data set is 16, what is the standard deviation?

• A) 2
• B) 4
• C) 8
• D) 16

Q5: 5. Which of the following is a measure of dispersion?

• A) Mean
• B) Median
• C) Range
• D) Mode

Q6: 6. If the data set has an even number of values, how is the median calculated?

• A) By taking the average of the two middle values
• B) By taking the first value
• C) By taking the last value
• D) By taking the middle value

Q7: 7. Which of the following is not a measure of central tendency?

• A) Mean
• B) Median
• C) Standard Deviation
• D) Mode

Q8: 8. What does the range represent in a data set?

• A) The average value
• B) The spread of the data
• C) The most frequent value
• D) The middle value

Q9: 9. Which of the following is a measure of position in a data set?

• A) Variance
• B) Quartile
• C) Mean
• D) Mode

Q10: 10. What is the range of the data set: 4, 9, 12, 15, 20?

• A) 16
• B) 17
• C) 18
• D) 20

Q11: 11. Which measure of central tendency is affected by outliers in a data set?

• A) Mean
• B) Median
• C) Mode
• D) Range

Q12: 12. What is the mode of the data set: 3, 5, 7, 5, 9, 11?

• A) 3
• B) 5
• C) 7
• D) 9

Q13: 13. If the variance of a data set is 25, what is the standard deviation?

• A) 2
• B) 3
• C) 5
• D) 25

Q14: 14. Which of the following is a measure of dispersion?

• A) Mean
• B) Median
• C) Range
• D) Mode

Q15: 15. If the data set has an odd number of values, how is the median calculated?

• A) By taking the average of the two middle values
• B) By taking the first value
• C) By taking the last value
• D) By taking the middle value

Q16: 16. Which of the following is not a measure of central tendency?

• A) Mean
• B) Median
• C) Standard Deviation
• D) Mode

Q17: 17. What does the range represent in a data set?

• A) The average value
• B) The spread of the data
• C) The most frequent value
• D) The middle value

Q18: 18. Which of the following is a measure of position in a data set?

• A) Variance
• B) Quartile
• C) Mean
• D) Mode

Q19: 19. What is the range of the data set: 6, 12, 18, 24, 30?

• A) 24
• B) 25
• C) 26
• D) 30

Q20: 20. Which measure of central tendency is affected by outliers in a data set?

• A) Mean
• B) Median
• C) Mode
• D) Range

Q21: 21. What is the mode of the data set: 2, 5, 7, 5, 9, 7, 11?

• A) 2
• B) 5
• C) 7
• D) 9

Q22: 22. If the variance of a data set is 36, what is the standard deviation?

• A) 2
• B) 4
• C) 6
• D) 36

Q23: 23. Which of the following is a measure of dispersion?

• A) Mean
• B) Median
• C) Range
• D) Mode

Q24: 24. If the data set has an even number of values, how is the median calculated?

• A) By taking the average of the two middle values
• B) By taking the first value
• C) By taking the last value
• D) By taking the middle value

Q25: 25. Which of the following is not a measure of central tendency?

• A) Mean
• B) Median
• C) Standard Deviation
• D) Mode