Question: find the standardized test statistic to test the hypothesis that 1 2. two samples are randomly selected from each population. the sample statistics are given

find the standardized test statistic to test the hypothesis that 1 2. two samples are randomly selected from each population. the sample statistics are given below. use a=0.05. n1=40, x1=18, s1=2.5, n2=35, x2=19, s2=2.8

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