Critical value for testing the population standard deviation

Reference no: EM1321474

Calculate the critical values for testing the population standard deviation

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 a = 0.01. What are the critical values?

a. 10.196 and 41.638

b. 9.886 and 45.559

c. 9.262 and 44.181

d. 10.856 and 42.980

Reference no: EM1321474

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