The ages (in days) at time of death for samples of 11 girls and 16 boys who died of sudden infant death syndrome are shown in Table E4.22. Calculate separately for boys and girls the 95% confidence interval for the (population) mean of age (in days) at time of death.
TABLE E4.22
|
Females
|
Males
|
|
53
|
46 115
|
|
56
|
52 133
|
|
60
|
58 134
|
|
60
|
59 175
|
|
78
|
77 175
|
|
87
|
78
|
|
102
|
80
|
|
117
|
81
|
|
134
|
84
|
|
160
|
103
|
|
277
|
114
|