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March 5, 2015

March 5, 2015

Posted by **pokwang** on Sunday, September 18, 2011 at 12:07am.

of Algebra scores is 6.0. A sample of 200 students from the system was

taken and was found out that the sample mean score is 75. Previous tests

showed the population mean to be 70. Is it safe to conclude that the

sample is significantly different from the population? Use α= 0.05.

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