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Value of the test statistic

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A quality manager at Newvis Pharmaceutical Company is monitoring a process that fills vials with a liquid medication designed to prevent glaucoma in the eyes of the user. The company wants to ensure that each vial contains at least 60 ml. of the product. A sample of 25 vials is tested, and a mean of 63 ml. and a sample standard deviation of 10 ml. are found. The quality manager wishes to test the null hypothesis that vials contain less than or equal to 60 ml. using an α = 0.05 significance level (rejecting this hypothesis provides evidence that the vials contain the required amount.) Conduct the test, what is the value of the test statistic? (Please keep one decimal.)

Reference no: EM131315027

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