Standard deviation of systolic blood pressure


A doctor believes that the standard deviation of systolic blood pressure is 450. A random sample of 24 patients found a standard deviation of 520. Assume the variable is normally distributed and = 0.01. What are the critical values?

A) 10.196 and 41.638

B) 9.262 and 44.181

C) 9.886 and 45.559

D) 10.856 and 42.980

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Basic Statistics: Standard deviation of systolic blood pressure
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