Question: Testing Claims Using P-values ,

1. write the claim mathematically and identify and .
2. find the standardized test statistic and its corresponding area.
3. find the value.
4. decide whether to reject or fail to reject the null hypothesis.
5. interpret the decision in the context of the original claim

Mathematics Assessment Tests In Illinois , a random sample of 85 eighth grade students has a mean score of 265 with a standard deviation of 55 on a national mathematics assessment test. This test result prompts a state school administrator to declare that the mean score for the state’s eighth graders on the examination is more than 260. At a = 0.04 is there enough evidence to support the administrator’s claim?

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