The following histogram presents the distribution of systoli

The following histogram presents the distribution of systolic blood pressure for a sample of women. Use it to answer the following questions. a. Is the percentage of women with blood pressures above 130 mm closest to 25%, 50%, or 75%? h. In which interval are there more women: 130-135 or 140-150 mm?

Solution

a)

=0.12+0.05+0.05+0.025+0.001+0.001 = 0.247 ..close to 25%

b)

130-135: 0.12

140-150: 0.05+0.025 = 0.075

So, 130-135 has greater women