PRC-2 · Chapter 8 · Question 5 of 60
If the calculated variance for a specific set of financial data is strictly 144, what is the standard deviation of that data?
Test yourself: pick an answer
Reveal answer & explanation
Correct answer: A) 12
Explanation
Standard deviation is mathematically defined as the positive square root of the variance. The square root of 144 is 12. Standard deviation cannot be a negative number.
More Statistical Measures of Data MCQs
- Q7Which specific measure of central tendency is most mathematically appropriate for averaging rates of change, speed, or unit prices?
- Q8Which of the following values is perfectly equivalent to the Second Quartile (Q2) of a dataset?
- Q9How is the Interquartile Range (IQR) formally calculated?
- Q10A dataset contains the values 10, 10, 10, 10, and 10. What is the standard deviation of this set?
- Q11Which of the following statements regarding the statistical measure of 'variance' is universally true?