Unit 10 Flashcards
box plot
a graph that uses a box to represent the
middle 50% of a data set and line segments at each end to represent the
remaining data
categorical data
observations that can be sorted into groups or categories,
such as shoe colors or favorite vegetables
data
a collection of facts or information gathered by observing, questioning,
or measuring; usually displayed on a chart, table or graph
dot plot
a graph that uses dots above a number line to show the frequency
of data
graph
a visual representation of the relationships between data collected
histogram
a graph that uses bars to show the frequency of data within equal
intervals
-interquartile range
the difference between the upper quartile and the
lower quartile
mean
the number representative of a set of data when all values are equally
distributed; the average
median
the middle number in a set of data when the data are arranged in
order
mode
the number or category that appears most frequently in a set of data
modal category
most frequent category in a set
of data
mode of numeric data
most frequent value in a set of data
numerical data
values that can be counted or measured, such as dollars
earned or minutes spent on homework