Hypertension In a test of roughly 200 older men and women, those with moderately high blood pressure (averaging 164/89 mm Hg) did worse on tests of memory and reaction time than those with normal blood pressure. (Hypertension 36 [2000]: 1079)

MSIT UNIT 9 – Sampling Distributions & Confidence Intervals for Proportions p –true proportion of success in a pop. is constant; parameter pp –the sample proportion of Parameter (fixed)of a population is the proportion of success in a succe(relative frequency) population (we can observe a sample, but probably won’t find the true value of the parameter) n –sample size P np –expected # successe