(See Steps) A random sample of results of a standardized mathematics placement exam for two different campuses is as follows: At the 0.05 significance level,
Question: A random sample of results of a standardized mathematics placement exam for two different campuses is as follows:
At the 0.05 significance level, test the claim that the population mean score on Campus 1 is higher than on Campus 2.
- What is the null and alternative hypotheses for this study?
- What is the critical z—value for this test?
- What is the z—value based on these samples?
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