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National test scores for school mathematics proficiency in Canada have a mean of 75 points. A sample of 42 school aged children were tested and

National test scores for school mathematics proficiency in Canada have a mean of 75 points. A sample of 42 school aged children were tested and they had an average score of 78, with a standard deviation of 10.23 points. Using a .05 significance level test the hypothesis that the mean test scores for Canadian School aged children is different than 75 points.

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