1984 | 6 |
1985 | 13 |
1986 | 9 |
1987 | 11 |
1988 | 7 |
1989 | 8 |
1990 | 13 |
1991 | 14 |
1992 | 5 |
1993 | 5 |
1994 | 7 |
1995 | 3 |
1996 | 2 |
1997 | 12 |
1998 | 6 |
1999 | 16 |
2000 | 25 |
2001 | 12 |
2002 | 23 |
2003 | 24 |
2004 | 29 |
2005 | 33 |
2006 | 34 |
2007 | 36 |
Z测试的结果表明,在95%的置信度下,次数的增长速度区间为[4.741%, 4.7454%],均值为4.7434%
这是怎么分析出来的??什么是Z测试??上面的图如何作??