The stemplot along with some summary statistics of the grades of
a statistics class are given below. How many of these scores are
identified as MILD outliers?
Homework Answers
here IQR=Q3-Q1 =63-53 =10
lower mild fence =Q1-1.5*IQR=53-1.5*10=38
upper mild fence =Q3+1.5*IQR=63+1.5*10=78
lower extreme fence =Q1-3*IQR=53-3*10=23
upper extreme fence =Q3+3*IQR=63+3*10=93
therefore mild outliers will fall between 23 and 38 as well between 78 and 93
number of values in mild outlier range are =86 and 89
therefore correct answer is 2
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