<image> The physical education teacher needs to select one student from each class to participate in the autumn fun sports event of shuttlecock kicking at school. Zhang Xin and Lili from Grade 7, Class 2 are experts in kicking shuttlecocks. Below is the statistical chart of Zhang Xin and Lili's recent shuttlecock kicking performances:
(1) Describe the shuttlecock kicking performances of Zhang Xin and Lili for these 6 sessions, respectively;
(2) If you were the physical education teacher, whom would you choose to participate? Why?