Chapter 3 Vocab Flashcards
distance around a figure
perimeter
the sum of a group of data items divided by the number of data items
mean
numbers that are easy to divide mentally
compatible numbers
an equation that shows a relationship between quantities that are represented by variables
formula
the data item that occurs most often in a group
mode
numbers that describe groups of data items
measures of central tendency
a data item that is much greater or much less than the rest of the data items in a group
outlier
when an odd number of data items are written in order from least to greatest; the middle item
median
the difference between the greatest and least values in a data set
range
when front digits are added and remaining digits are estimated to combine for a sum
front-end estimation