Sub This Question: 1 pt |2 of 15 (0 complete ) | > This Quiz: 15 pts A nurse mea

Question

Sub This Question: 1 pt |2 of 15 (0 complete ) | > This Quiz: 15 pts A nurse measured the blood pressure of each person who visited her clinic. To the right 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. Identify the center of the third class 035 0.30 025 0 20 15 0.10 005 Relative Frequency 100 110 120 130 140 150 160 Systolic Blood Pressure (mm Hg OA. 124 . 125 O C. 130 O D. 120 its 1Click to select your answer

Explanation / Answer

Given classes are:

110-110

110-120

120-130

130-140

140-150

150-160

Third class

is 120-130

midpoint=120+130/2=125

answer:125

OPTION B

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