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QUESTION S At Western University the historical mican of scholarship examination scores for freshman applications is 900. A historical population standard deviation equal to
QUESTION S At Western University the historical mican of scholarship examination scores for freshman applications is 900. A historical population standard deviation equal to 180 is assumed known. Each year, the assistant dean uses a sample of applications so determine whether the mean examination score for the new freshman applications has changed. A sample of 200 applications provided a sample mean of 935. State the hypotheses: OA Hou900 Ha
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