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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
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
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Calculus
Authors: Dale Varberg, Edwin J. Purcell, Steven E. Rigdon
9th edition
131429248, 978-0131429246
