Answer
a. no outlier
b. no outlier
Work Step by Step
a. 14, 18, 27, 26, 19, 13, 5, 25
Q1= 13.5, Q2 = 18.5, Q3 = 25.5, IQR=12
Range to check for outliers: $13.5-1.5\times12$ to $25.5+1.5\times12$ or $(-4.5,43.5)$
No outlier.
b. 112, 157, 192, 116, 153, 129, 131
Q1= 116, Q2 = 131, Q3 = 155, IQR=39
Range to check for outliers: $116-1.5\times39$ to $155+1.5\times39$ or $(57.5,213.5)$
No outlier.
