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A researcher is interested in self-esteem. The mean self-esteem score of her sample is 6.8 and she wants to know if her sample (n =

A researcher is interested in self-esteem. The mean self-esteem score of her sample is 6.8 and she wants to know if her sample (n = 25) differs from the entire city's population self-esteem scores (population mean = 7.2 and population standard deviation = 0.3). She chooses an alpha of .01 for her test. What are the critical value(s) f

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