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What is used to describe a set of data where the measures cluster or concentrate at a point?
The answer depends on the type of distribution for the data. It could be the modal class.
What is the definition for variability in math terms?
An indication of how widely spread or closely clustered the data values are. Range, minimum and maximum values, and clusters in distribution give some indication of variability.
Is a frequency distribution a way to describe numerical data categorically?
Frequency distribution a mathematical function showing the number of instances in which a variable takes each of its possible values.False
For a distribution always mean exists?
No, not always. It depends on the type of data you collect. If it is quantitative data, you will be able to calculate a mean. If it is qualitative data, a mean can't be calculated but you can describe the data in terms of a mode.
What is the definition of spread math?
Spread, in the context of a probability distribution, is a measure of how much the data vary about their central value.
