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A doctor claims that the standard deviation of systolic blood pressure is more than 12 mmHg. A random sample of 24 patients found a standard

A doctor claims that the standard deviation of systolic blood pressure is more than 12 mmHg. A random sample of 24 patients found a standard deviation of 14 mmHg. Assume the variable is normally distributed. At = 0.01, what is the critical 2 value? (Explain your Process)

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