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Taniya keyterms
chapter 2
Question | Answer |
---|---|
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 |