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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
59 175
78
77 175
87
102
80
117
81
134
84
160
103
277
114
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