A Doctor Believes That the Standard Deviation of Systolic Blood $a = 0.01$

question 7

Multiple Choice

A doctor believes that the standard deviation of systolic blood pressure is 15 mmHg. A random sample of 24 patients found a standard deviation of 23. Assume the variable is normally distributed and $a = 0.01$ What are the critical values?

• A) 9.262 and 44.181
• B) 13.091 and 35.172
• C) 13.848 and 36.415
• D) 11.524 and 44.314

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