>>1504189No. Think of confidence intervals as ranged within which the "real" value is located somewhere, we just don't know where. It's like a margin of error. If there's an overlap between confidence intervals, that means it is statistically possible for the 2 values to be the same. If there's no overlap, that statistically proves that there's a significant difference between the values (i.e. there's no way the 2 values are the same based on the data).
