Find the (a) mean, (b) median, (o) mode, and (d) midrange for the given sample d

Question

Find the (a) mean, (b) median, (o) mode, and (d) midrange for the given sample data. Fourteen different second-year medical students measured the blood pressure of the same person. The systolic readings (in mmHg) are listed below 149 130 141 133 23 130 130 137 119 119 143 130 141 145 (a) The moan blood pressure reading is ? mmHg. (Round to the nearest tenth as needed) (b) The median blood pressure reading is ? mmHg (c) Select the correct choice below and fillin any answer boxes within your choice. OA. The mode blood pressure reading is?mmHg. O B. There is no mode. (a) The micrange of the data set is mmHg. (Use a comma to separate answers as needed.) (Round to the nearest tenth as needed.)

Explanation / Answer

solution:-

(a) the mean blood pressure reading is 133.6

mean = sum of terms / number of term

=>  1870/14 => 133.6

(b) the median blood pressure reading is 131.5

Ordering the data from least to greatest  

119,119,123,130,130,130,130,133,137,141,141,143,145,149

median = (130+133)/2 = 131.5

(c) option A. mode = 130

The mode of a set of data is the value in the set that occurs most often

the mode is 130

(d) mid range = 134

the highest value = 149 , the lowest value = 119

(highest + lowest)/2 = (149+119)/2 = 268 / 2 = 134

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