Discussion reply 80-100 words

timer Asked: Jan 26th, 2019

Question description

(Normal Distribution) describes a distribution being normal when the mean equals the median and the mode, creating a symmetrical bell curve shape. There are many measurements in the healthcare field that contain a normal distribution. Two variables that can follow a normal distribution include blood glucose levels, and blood pressure levels of patients.

When discussing blood pressure levels, we know that the normal blood pressure in an average adult should be around 120/80 and, the systolic blood pressure can range anywhere from 100-120 mmHg. When plotting the blood pressure values on a graph, we can determine the highest frequency of systolic blood pressures measured in a large group of people. In a large group of people, a small part of the group will have a lower systolic pressure, the other small part of the group will have a higher systolic pressure, and majority of the group will have a systolic pressure in the normal range. With majority of the group running in the normal range of systolic blood pressure, the graph will follow a normal distribution with a bell-shaped curve.

According to Spero (2016), the normal blood sugar measurement for a non-diabetic person can range from 70-99 while fasting (Spero, 2016, p. 1). We can determine the highest frequency of blood sugar levels in a large group of people by using a graph to plot the data. A small part of the group will have lower levels of blood sugar (people with hypoglycemia), the other small part of the group will have higher blood sugar levels (people with hyperglycemia or diabetics), and majority of the group will have normal blood sugar levels. Because majority of the group will run in the normal range of blood sugar levels, a normal distribution can be made, with a bell-shaped curve on the graph.

Of the two variables, I believe the blood glucose levels will have a larger standard deviation. This is because, blood glucose levels can reach a higher number than blood pressure levels. People with a high blood pressure, especially those suffering a stroke or heart attack can have a blood pressure in the high 200’s. On the other hand, those in active diabetic ketoacidosis can have a blood sugar level in the 400s and higher. With a blood glucose level being higher in number than blood pressure levels, a larger standard deviation can be made in blood glucose levels.


Spero, D. (2016). What is a Normal Blood Sugar Level? Diabetes Self-Management. https://www.diabetesselfmanagement.com/blog/what-is-a-normal-blood-sugar-level/ (Links to an external site.)Links to an external site.

Week 3 Lesson. (2018). Normal Distribution. Chamberlain College of Nursing, Math 225N.

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