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Quartile Deviation

Which quartile is not directly involved in the calculation of quartile deviation?

In quartile deviation, what is calculated as half of the difference between the upper and lower quartiles?

Which of the following is a measure of dispersion that is less influenced by extreme values than the standard deviation?

What does a higher quartile deviation indicate about a dataset?

Which measure of dispersion is resistant to extreme values and outliers?

If the quartile deviation is zero, what can be said about the dataset?

Which statistical term refers to the measure of the spread of data points around the mean?

Which measure of dispersion accounts for the middle 50% of the data?

In quartile deviation, which quartile represents the lower boundary of the central 50% of the data?

What is the formula for quartile deviation in terms of the interquartile range?