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Statisticks

QuestionAnswer
Median To find the median order the numbers from least to greatest and then find the middle number
mode Is the number that occurs most often it can have one mode, no mode, or more than one mode
Range A measure of variability describes how the values in a data set vary within a single number. The difference of the largest value and the lowest value
Inner Quarterly Range (IQR) Measure of variability it represents the difference between the 3rd and first quartile
outlier will be a value that is either significantly larger or smaller than other observations
skewed-left If the distribution has a long tail to the left is is called skewed left or left skewed
skewed-right If the distribution has a long tail to the right it is called right skewed or skewed right now
symetrical perfectly symmetric because it can be divided into two halves (left halve and right halve) That are mirror images of each other they don't have to have perfect symmetry
bi-modal If the distribution had 2 modes or humps it is bi-modal
uniform If the distribution of data is all the same or flat it is uniform no mode also considered symetrical
Sample size describes the number of data points collected in the sample.
impossible some events with never happen because they are...
likely are events that are closer to certain than impossible
unlikely Events closer to impossible than to certain.
certain other events will definitely happen because they are...
Equal likely The likelihood that an event will happen can be given a number value or ...
Compliment Opposite of the event! It includes all of the outcomes that are not part of the original event.
Quartiles values that divide a data set into 4 equal parts
Q1 median of 1st 25 % of data
Q3 Median of 3 rd 25% of data
probilbillity Likely hood of an event will happen can be given a number value or probability.
Created by: user-1970530
 

 



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