5 Questions
Which letter is commonly used to represent the population standard deviation in mathematical texts and equations?
$\sigma$
What does a low standard deviation indicate about a set of values?
The values tend to be close to the mean
What does a high standard deviation indicate about a set of values?
The values are spread out over a wider range
What is the standard deviation of a random variable, sample, statistical population, data set, or probability distribution?
The square root of its variance
What is a useful property of the standard deviation compared to the variance?
It is expressed in the same unit as the data
Test your knowledge of standard deviation with this quiz! Explore the concept of variability and dispersion in statistics, and learn how to interpret low and high standard deviation values. Challenge yourself with questions on calculating standard deviation and understanding its implications.
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