The mean grade on a test of 60 students was x-bar= 52. The nationwide average was 50

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The mean grade on a test of 60 students was x-bar= 52. The nationwide average was 50 with standard deviation 15. Test whether the school has a significantly GREATER average than the national average at the 5% significance level? | What is the value of the TEST STATISTIC

Posted Date: May 18, 2024 06:12 AM

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The mean grade on a test of 60 students was x-bar= 52. The nationwide average was 50

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