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What do we need to learn (Key words (Cumulative frequency (Boxplot (A box…
What do we need to learn
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Key words
Distributions
Distributions (or generalized functions) are objects that generalize the classical notion of functions in mathematical analysis. Distributions make it possible to differentiate functions whose derivatives do not exist in the classical sense
Histogram
A histogram is an accurate representation of the distribution of numerical data. It is an estimate of the probability distribution of a continuous variable
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Estimated mean
To estimate means to find something close to the correct answer. In other words, you are approximating
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Cumulative frequency
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Cumulative frequency can also defined as the sum of all previous frequencies up to the current point.
IQR
The interquartile range (IQR) is a measure of variability, based on dividing a data set into quartiles
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Boxplot
A box plot is used to display information about the range , the median and the quartiles . The information required to be able to draw a box plot is called the 'five-figure summary'
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Frequency polygon
A frequency polygon is another type of frequency distribution graph. In a frequency polygon, the number of observations is marked with a single point at the midpoint of an interval. A straight line then connects each set of points.
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