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Dear List: I just did an ANCOVA and got significance for my IV with a p
values of .024. I then looked at the estimated means and the 95% CI for
the mean and got the following results. My question is why do the
confidence intervals overlap when the overall analysis indicates that
the adjusted means are significantly different? Thanks, martin
sherman
est mean S.E. Mean Lower Bound Upper Bound
.00 10.539(a) 1.312 7.898 13.179
1.00 6.235(a) 1.261 3.697
8.774
a
Covariates appearing in the model are evaluated at the following
values: season1 = .33, season2 = .10, sumpats = 380.98, vaccres
%resvaccine = 92.12.
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