Provide an appropriate response. Show your work. 0) A nurse measured the blood pressure of each person who visited her clinic. Following is a relative-frequency histogram for the systolic blood pressure readings for those people aged between 25 and 40. The blood pressure readings were given to the nearest whole number. Relative Frequency 0.35 0.30 0.25 0.20 0.15 0.10 0.05 0.00 100 110 120 130 140 150 160 Systolic Blood Pressure (mm Hg) A)Approximately what percentage of the people aged 25-40 had a systolic blood pressure reading between 110 and 140 inclusive? B) Find the class width : C) What is the midpoint of the first class? D) 500 people answered to this survey. How many peple are their blood pressure reading less than 130?
Provide an appropriate response. Show your work. 0) A nurse measured the blood pressure of each person who visited her clinic. Following is a relative-frequency histogram for the systolic blood pressure readings for those people aged between 25 and 40. The blood pressure readings were given to the nearest whole number. Relative Frequency 0.35 0.30 0.25 0.20 0.15 0.10 0.05 0.00 100 110 120 130 140 150 160 Systolic Blood Pressure (mm Hg) A)Approximately what percentage of the people aged 25-40 had a systolic blood pressure reading between 110 and 140 inclusive? B) Find the class width : C) What is the midpoint of the first class? D) 500 people answered to this survey. How many peple are their blood pressure reading less than 130?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 42PFA
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Transcribed Image Text:Provide an appropriate response. Show your work.
0) A nurse measured the blood pressure of each person who visited her clinic. Following is a relative-frequency histogram
for the systolic blood pressure readings for those people aged between 25 and 40. The blood pressure readings were given
to the nearest whole number.
Relative
Frequency
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0.00
100 110 120 130 140 150 160
Systolic Blood Pressure (mm Hg)
A)Approximately what percentage of the people aged 25-40 had a systolic blood pressure reading between 110
and 140 inclusive?
B) Find the class width :
C) What is the midpoint of the first class?
D) 500 people answered to this survey. How many peple are their blood pressure reading less than 130?
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