Box and whisker plot

Construct a box and whisker plot for the given data.
56, 32, 54, 32, 23, 67, 23, 45, 12, 32, 34, 24, 36, 47, 19, 43

Correct result:

min =  12
Q1 =  23.5
Q2 =  33
Q3 =  46
max =  67

Solution:

{12,19,23,23,24,32,32,32,34,36,43,45,47,54,56,67} min=12
n=16 i1=n/4=16/4=4 Q1=(23+24)/2=472=23.5
i2=n/2=16/2=8 Q2=(32+34)/2=33
i3=0.75⋅ n=0.75⋅ 16=12 Q3=(45+47)/2=46
max=67

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