Question: Test the claim about the difference between two population means 1 and 2 at the level of significance . Assume the samples are random andindependent,

Test the claim about the difference between two population means 1 and 2 at the level of significance . Assume the samples are random andindependent, and the populations are normally distributed.

Claim: 1=2; =0.01

Populationstatistics: 1=3.5, 2=1.3

Samplestatistics: x1=17, n1=28, x2=15, n2=26

Determine the alternative hypothesis.

Ha: 1not equals

2

Determine the standardized test statistic.

z=

(Round to two decimal places asneeded.)

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