The raw data comparing the sex ratios for two subgroups of US: Native American and Japanese Americans. Find the relevant z-score and discuss its significance.
Years Native American Japanese American
1976 1070 1081
1977 1022 1077
1978 1044 1073
1979 1036 1071
1980 1048 7072
1981 1023 1014
1982 1032 1031
1983 1038 1037
1984 1016 1038
1985 1032 1062
1986 1047 1066
1987 1041 1096
1988 1021 1048
1989 1028 1061
1990 1023 1063
1991 1016 1042
1992 1034 1049
1993 1036 1063
1994 1031 1048
1995 1040 1054
1996 1031 1053
1997 1036 1068
1998 1038 1030
1999 1029 1063
2000 1035 1084
2001 1024 1041
2002 1023 1089
