Posted by **Denise** on Thursday, May 19, 2011 at 9:06pm.

Suppose we have a set of blood pressures with a mean of 120 Systolic, and a sample standard deviation of 20 points. If we assume a normal distribution of Systolic blood pressures, then between what two values can we be assured 99.7% of all Systolic blood pressures will lie?

- Statistics -
**PsyDAG**, Friday, May 20, 2011 at 12:54pm
99.7% = Mean ± 3 SD

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