A box plot has Q1=20,Q2=30,Q3=50Q_1 = 20, Q_2 = 30, Q_3 = 50Q1=20,Q2=30,Q3=50. What is the upper bound for outliers using the 1.5×IQR1.5 \times IQR1.5×IQR rule?
808080
959595
757575
656565