QUESTION 7 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 betwe question. The blood pressure readings were given to the nearest whole number. !5 and 40. Use the histogram to arrwer the Relative Frequency 0.35 0.30 025 0.20 0.15 0.10 0.05 0.00 100 110 120 130 140 150 160 Systolic Blood Pressure (mm Hg) Identify the center of the third class. O 124 O 130 O 125 O 120

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