Open book quiz! Use the formulas, tables, and figures in your book.
The population mean TOEFL average on the Spring 2001 COMFSM entrance examination was m = 437 for all schools in Micronesia.
A sample of n = 9 students at Bethania High School in Palau had a sample mean of = 474 with a sample standard deviation of s = 69. At a significance level alpha of a' = 0.075, is the Bethania High School average statistically significantly higher than the overall average for all schools in Micronesia? Note that n<30 and that our rate of a type one error is a' = 0.075, or 7.5%
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