1. Application method and process of statistical techniques. ͳ�Ƽ�����Ӧ�÷������̣�
2. Knowledge and application of statistical engineering skills. ͳ�ƹ��̵�֪ʶ��Ӧ�ü��ܡ�
3. The program of WAV audio file formats to analyze the basic statistical information, and play the audio file. �ó����WAV��ʽ��Ƶ�ļ����з���ͳ���������Ϣ�������Ÿ���Ƶ�ļ���