One definition of outlier is any data point more than 1.5 interquartile ranges (IQRs) below the first quartile or above the third quartile. Note: The IQR definition given here is widely used but is not the last word in determining whether a given number is an outlier. IQR = 10.5 â?? 3.5 = 7, so 1.5. IQR = 10.5.
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there are no limits to outliers there are no limits to outliers
interquartile range
No. Outliers are part of the data and do not affect them. They will, however, affect statistics based on the data and inferences based on the data.
Outliers will make give the graph a long tail (or tails). Overall, the graph will be flatter and wider.
Mean.