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12. Data and Stats
Question | Answer |
---|---|
statistical question | A question which anticipates that there will be different answers in the data. |
data distribution | How data values are arranged. |
outlier: | An extreme value with few data points located near it. |
mean | The sum of values in a data set divided by the number of values |
median | The middle number in an ordered data set. |
mode | The data value that occurs most often in a data set. |
range | The difference between the greatest and least numbers in a set of data. |
frequency table | A table to organize data by showing the number of values that fell in particular groups. |
histogram | A graph that uses bars to show the frequency of equal ranges or groups of data. |
box plot | A diagram that shows a distribution of data values on a number line. |
quartiles | Values that divide a data set into four equal parts. |
absolute deviation | The distance between each data point and the mean. |
interquartile range | A measure of variability that is the difference between the third quartile and the first quartile. |
mean absolute deviation | The mean of the absolute deviation of a set of data. |