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50 A job placement director claims that 51 the average starting salary for nurses is $24,000. A sample of 10 nurses has a mean of

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50 A job placement director claims that 51 the average starting salary for nurses is $24,000. A sample of 10 nurses has a mean of #23,450 and a standard deviation of $400. Is there enough evidence to reject the directors claim at alpha = 0.05 ? a. yes b. no

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