A hospital spokesperson claims that the standard deviation

Reference no: EM13634753

A hospital spokesperson claims that the standard deviation of the waiting times experienced by patients in its minor emergency department is no more than 0.5 minute. A random sample of 22 waiting times has a standard deviation of 0.7 minute. at a=0.05, can you reject the spokesperson's claim?

a) write the claim mathematically

c) find the standardized test statistic

d) interpret the results

Reference no: EM13634753

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