Nation mathematics assessment test

Assignment Help Basic Statistics

Reference no: EM13100418

A random sample of 77 eighth grade students' scores on a nation mathematics assessment test has a mean score of 278 with a standard deviation of 31. This test result prompts a state school administrator to declare that the mean score for the state's eighth graders on this exam is more than 270. At infinity of .13, is there enough evidence to support the administrators claim? Find the standardized test statistic z and it corresponding area.

Reference no: EM13100418

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