Which of these is a measure of Variability?Answer choicesSelect only one optionREVISITA) MeanB) ModeC) MedianD) Standard deviation6/10 questions attempted
Question
Which of these is a measure of Variability?
Answer choices
Select only one option
- A) Mean
- B) Mode
- C) Median
- D) Standard deviation
6/10 questions attempted
Solution
Step 1: Break Down the Problem
We need to identify which among the listed options is a measure of variability in statistics. The options provided are:
- A) Mean
- B) Mode
- C) Median
- D) Standard deviation
Step 2: Relevant Concepts
In statistics, measures of variability describe the spread or dispersion of a data set. The common measures of variability include:
- Range
- Variance
- Standard deviation The mean, mode, and median are measures of central tendency and do not describe variability.
Step 3: Analysis and Detail
- Mean: The average of a data set.
- Mode: The most frequently occurring value in a data set.
- Median: The middle value when the data set is ordered.
- Standard Deviation: A measure that quantifies the amount of variation or dispersion in a set of values. It indicates how much the individual data points deviate from the mean.
Step 4: Verify and Summarize
Among the options, the mean, mode, and median are measures of central tendency, while the standard deviation is the only measure of variability.
Final Answer
The measure of variability is D) Standard deviation.
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