Which of the following could be used as a measure of spread of a probability distribution.
D)All of these formula measure spread

Question

Quizplus · Accepted Answer

All of these formula measure spread. The options given are not identifiable, as they are represented with random alphanumeric strings. Therefore, the only correct answer is D, which states that all of the formulas can be used as a measure of spread of a probability distribution. All of the given formulas could be used as measures of spread of a probability distribution. Option A refers to variance, option B refers to standard deviation, and option C refers to interquartile range (IQR). Each of these measures provides information about the spread of data, with variance and standard deviation measuring the overall variability and IQR measuring the range of middle 50% of the data.

Which of the Following Could Be Used as a Measure