The following hypothetical data sets contain amygdala volumes for two samples of male weightlifters. (Note: Samples were used since it is not practical to obtain the amygdala volume of all male weightlifters who are steroid users or non-users.) Find the mean of each sample. Round each answer to two decimal places. Sample A (in cubic centimeters)   Sample B (in cubic centimeters) 1.42, 1.33, 1.02, 1.15, 1.33, 1.49   1.57, 1.21, 1.55, 1.23, 1.53, 1.45 Mean of sample A =

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