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Mathematics, 05.05.2020 21:30 redrocker

A psychology department requires its seniors to take a standardized psychology test before they graduate. You want to know whether the scores of this year’s 112 seniors are less successful on this standardized test, on the average, from the national norm. The norms include μ = 21. The sample of seniors had a mean of 3.01, with a standard deviation of 85. Which statistical test is appropriate to analyze this data?

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