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A research done by a graduating student reports that the average score of University students in statistics course is less than 80. To test this

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A research done by a graduating student reports that the average score of University students in statistics course is less than 80. To test this claim, a random sample of 10 students was taken and their scores in the course are recorded as: 65,70, 80, 85, 60, 90, 80, 75, 85, 90. What is the computed test statistic? Select the correct response: O -0.216 O -0.621 -0.261 O -0.612

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