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The average SAT in the state is reported to be 1010. A school administrator wants to know if the mean for the local district is
The average SAT in the state is reported to be 1010. A school administrator wants to know if the mean for the local district is the same or different from 1010. The actual data for the district has not yet been reported, but for a large sample of student records the calculated z-score is 2.02,. If we test at the .05 level of significance, what should be our conclusion based on this evidence? The calculated z-score 2.02 is greater than critical z-score 1.96. Accept the alternative hypothesis. The calculated z-score 2.02 is greater than critical z-score 1.96. Reject the alternative hypothesis. The calculated z-score 2.02 is greater than critical z-score 1.96. Reject null hypothesis. O The calculated z-score 2.02 is greater than critical z-score 1.96. Do not reject null hypothesis
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