In: Statistics and Probability
Find the 5 number summary for the data shown
| 12 | 15 | 20 | 21 | 23 | 24 | 46 | 47 | 
| 55 | 65 | 67 | 68 | 78 | 82 | 86 | 92 | 
5 number summary:
{ , , , , }
IQR= ?
The 1.5XIQR1.5XIQR rule states that values between ?
and ? are likely not outliers.


IQR = Q3-Q1 = 73-23.5=49.5
lower fence=23.5-1.5*49.5= -50.75
upper fence=73+1.5*49.5= 147.25
So,between -50.75 and 147.25,no outliers.