(Solved) MATH225 Week 3 Discussion : Measures of Central Tendency and Variation

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For this Discussion, you will examine central tendency and variability in terms of pulse rate.

Find and record the pulse rate of 10 different people where you work. Tell us a little about the population from which you drew your data. Describe your findings in terms of central tendency and variability.

Consider using some of the following to help you form your initial discussion post:

What are your measures of central tendency (i.e., mean, median, and mode)? Which might be the better measure for central tendency and why?

What is the standard deviation of your data? How variable are the data (range)?

Are there any outliers? Investigate possible reasons for these outliers, and things that might limit them if further study were to be carried out.

What are some variables that should be considered in discussing your measures of central tendency and variation? Is there any skewness in your measured data?

How would you describe this data (i.e. what insights did you gain from this data)?


Hello Professor and Class


I work in the telemetry unit of a hospital, where as a progressive care nurse, I work with patients in critical condition. One of my roles is to monitor vital signs of patients using equipment such as electrocardiograms. Using random sampling, I identified 10 patients from a total population of 33 patients. The collected pulse rate data is a follows; 66, 75, 72, 69, 78, 73, 82, 79, 84, 72

Central Tendency

Mean is the mathematical average of the data arrived at by adding up the values in the data set and then dividing by the number of values added (Holmes, Illowsky & Dean, 2017).

Mean = (66+75+72+69+78+73+ 82+79+84+72)/10= 75

Median: to find medium we need to write the data in ascending order. If there is an even number of data like our case, the median is the average of the two middle values.

66, 69, 72, 72, 73, 75, 78, 79, 82, 84

(73+75)/2 = 74

Mode is the value in a data set that appears most often, which is …………………..

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