Which of the following statements is true? The parallel dotplots below display the girths (belly
circumference) of some male and female pigs.
Pig Girth by Gender

O The IQR for the distribution of girths is larger in
female pigs
The range for the distribution of girths is larger in
male pigs
O The standard deviation for the distribution of girths is
smaller in female pigs
O The standard deviation for the distribution of girths is
about the same for both male and female pigs.
M
Gender

2009.
F
22
30
32
24 26 28
Girth in Inches