21 terms

Math Vocab

STUDY
PLAY

Terms in this set (...)

line plot
a visual display of a distribution of data where each data value is shown as a dot or other mark, usually an "x" above the number line
whiskers
extend from each quartile to the extreme data points that are not outliers
box plot
uses a # to show the distribution of a set of data by using the median, quartiles, and extreme values
box
drawn around the quartile values
mean
the sum of the data divided by the # of pieces of data
dot plot
individual data values represented as dots above a number line
median
the middle number of the data set or two numbers multiplied by each other and divided by 2
mode
the # in the data set that occurs most often
measures of center
the mean, median, and mode
measures of variation
used to describe the distribution or spread of the data
quartiles
values that divide the data set into four equal parts
first quartile
the median of the data values less than the median
third quartile
the median of the data values greater than the median
interquartile range
the difference between the first and third quartiles of the data values
range
the difference between the greatest and the least data values
outlier
a data value that is either much greater or much less than the median
investigate
examine closely
data
information
variability
differences
recognize
know it when you see it
average
the sum of the items in a set of data divided by the # of items in the set; also called "mean"