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Gravity
Year 8 statistics unit
Terms in this set (13)
mean
the average of a set of data, computed by adding the values in a list and then dividing by the number of values in the list.
median
The middle number in a ordered data set
mode
the most frequently occuring value in a data set
range
the difference between the highest and the lowest value in the data set
data set
a collection of measurements or observations
frequency table
A table for organizing a set of data that shows the number of times each item or number appears.
column graph
A special kind of bar graph where the bars are draw vertically
bar graph
A graph that uses horizontal or vertical bars to display data
probability
A number that describes how likely it is that an event will occur
histogram
A bar graph depicting a frequency distribution. The height of the bars indicates the frequency of a group of scores.
quartiles
The values that divide the data into four equal parts
interquartile range
The difference between the upper and lower quartiles.
outlier
A value much greater or much less than the others in a data set
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