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2.Suppose the following paired sample data are taken from two populations. Population 1: 35, 32, 35, 35, 36, 35, 35 Population 2: 28, 26, 27,

2.Suppose the following paired sample data are taken from two populations.

Population 1: 35, 32, 35, 35, 36, 35, 35

Population 2: 28, 26, 27, 26, 29, 27, 29

a)Construct the 95% Confidence Interval for 1 - 2 = d from the data.

b)Test, at the 10% level of significance, the hypothesis that 1 - 2 > 7 as an alternative to the null hypothesis that 1 - 2 = 7.

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