Chapter 2 words

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Domanda English Risposta English
outlier
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an observation that is well outside of the expected range of values in a study or experiment, and which is often discarded from the data set:
z-score
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a measure that quantifies the distance a data point is from the mean of a data set.
variable
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something that may or does vary or change; a variable feature or factor.
truncate
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to shorten (a number) by dropping a digit or digits:
trend
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to have a general tendency, as events, conditions, etc.
spread
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another word used in describing variability of data
skew
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when data appears to have a tendency away from a normal distribution.
range
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the value found by calculating the difference between the maximum and minimum data values.
quantitative
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of or relating to the describing or measuring of quantity.
quantitative
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pertaining to or concerned with quality or qualities.
Pareto Chart
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a bar graph that places the categories in decreasing order of frequencies.
mean
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another word for average
mode
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most occurring value or data result
frequency
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the number of times a value recurs in a unit change of the independent variable of a given function.
5-number-summary
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data includes minimum, lower quartile, median, upper quartile, and maximum data point.
discrete variable
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a variable that may assume only a countable, and usually finite, number of values.
continuous varible
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A variable that could assume an infinite amount of values even if given a specific range of values.
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