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A test was made of Ho: = /2 versus H1: 2. The sample means were x =7 and x = 11, the sample standard deviations

A test was made of Ho: = /2 versus H1: 2. The sample means were x =7 and x = 11, the sample standard deviations were s, - 6 and s, =4, and the sample sizes were n, = 10 and 7, = 18. Compute the value of the test statistic

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