Question

Total Blood Cholesterol Levels 160 160 170 150 160 170 155 350 180 155 180 160 150 180 150 180 23.

Using the descriptive statistics analysis for ‘Total Blood Cholesterol Levels’ created for the 16 patients, how does the mean value compare to the median value and the mode value?

a. These three measures of central tendency are similar. b. The mean is higher than the median and the mode. c. The mean is the preferable value to report for this data set. d. None of the above.

- Using the descriptive statistics analysis for ‘Total Blood Cholesterol Levels’ created for 16 patients and looking at the data provided, what is the most appropriate measure of central tendency to report? a. Mode b. Median c. Mean d. None of the above. 9

- Using the descriptive statistics analysis for ‘Total Blood Cholesterol Levels’ created for 16 patients, what is the coefficient off variation (CV)? a. 0.27 b. 14.68 c. 0.30 d. 13.04

Answer 1

Consider The blood cholestorel level -x X-160,160,170,150,160,170,155,350,180,155,180,160,150,180,150,180 72 1) Mean 2810/16 Mean 175.625 Given data is sorted in ascending order X 150,150,150,155,155,160,160,160,160,170,170,180,180,180,180,350 2) Median (n1/ 2)thobs (17 /2)thobs (8.5)th obs Average of 8th obs and 9th obs Median 160 + 160/ 2 Median 160 3) Mode most time frequntly obs i.e mode 160 e mean is higher than nm the most appropriate measure of central tendency is mean.