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Statistics

TermDefinition
Median The median is the middle data value.
Mode The mode is the value that occurs most often.
Range The range is the difference of the greatest value and the least value.
Interquartile Range The interquartile range is the difference between the third quartile and the first quartile.
Outlier An outlier is a data point the varies significantly from the rest of the data.
Skewed-left Left skewed is when the distribution has a long tail extending to the left.
Skewed-right Right skewed is when the distribution has a long tail extending to the right.
Symmetrical Symmetrical is when the shape is perfectly symmetric, because it can be divided into two halves that are mirror images of each other.
Bi-modal Bi-modal is when the distribution has two modes ( or "humps").
Uniform Uniform is when the distribution of the data is Al the same (or flat).
Mean The mean is the average of the data.
Mean absolute deviation The mean absolute deviation is the average distance that the data points in a set of data are from the mean.
Sample size The sample size describes the number of data points collected in the sample.
Quartile 1 The first quartile is the median of the 1st half.
Quartile 3 The third quartile is the median of the 3rd half.
Probability Probability is the chance of something happening.
impossible Never will happen.
Certain Definitely will happen.
Equally Probable/Equally Likely Equal chance of happening.
Unlikely Most likely won't happen.
Likely Most likely will happen.
Complement Complement of a statistical event is the opposite of the event. It includes all the outcomes that are not part of the original event.
Created by: user-1969994
 

 



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