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Taniya keyterms

chapter 2

QuestionAnswer
Average the number of cubes in each stack that results from equally distributing all the cubes
bar graph A graph using bars to compare quantities. The height or length of each bar represents a designated number
frequency The number of times an item occurs
graph is a more visual way to display data
horizontal axis The axis on which the categories or values are shown in a bar and line graph
integers Positive whole numbers, their opposites and zeros
key A sample data point used to explain the stems and leaves in a stem-and-leaf plot
line graph is used to show how a set of data changes over a period of time
line plot is a diagram that shows the frequency of data on a number line.
mean of set of data is the sum of the data divided by the number of pieces of data.
measures of central tendency Numbers that are used to describe the center of a set of data. these measures include the mean median and mode
median is the middle number of the ordered data when there are an odd number of data
negative numbers A number that is less than zero
opposites are numbers that are the same distance from zero in opposite directions
outlier values that are much higher or lower than others in a data set.
positive numbers A number that is greater than zero
range a set of data is the difference between the greatest and the least values of the set.
stem and leaf plot the data are ordered from least to greatest and organized by place value.
vertical axis it includes the least number and the greatest number
mode The mode is the middle number or numbers of that occur most often
Created by: 00013666
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