Normally distributed populations

Reference no: EM13965393

The following information was obtained from two independent samples selected from two normally distributed populations with unknown but equal variances.

Sample 1	14	15	11	14	10	8	13	10	12	16	15
Sample 2	17	16	21	12	20	18	16	14	21	20	13	20	13

Test at the 2% signi?cance level whether μ1 is lower than μ2.

Reference no: EM13965393

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