Skilled2020-12-06Added 95 answers
Given summary statistics as,
n Mean Variance Std. dev. Median Range Q1 Q3
108 79.9 64.63 8.04 79.05 44.7 74 85.4
a) An outlier is a value that is much larger or smaller than the other values in a data set, or a value that lies outside the given data set.
Yes, the lowest value can be an outlier, analyst can consider it as an outlier if it lies outside the lower fence
b) Outlier identification rule: The data point is said to be an outlier if it is lower than (lower quartile -
We can check 51 is an outlier or not using above rule.
51 is lower value.
And lower quartile
And inter quartile range
Hence lower fence
Since 51 is lower than 56.9 so that we can say 51 is an outlier.
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