QuestionMATH225 Statistical Reasoning for the Health Sciences

MATH225 Statistical Reasoning for the Health Sciences

Week 4 LAB

Scenario/Summary

This week’s lab highlights the uses of the normal distribution and the application of the Empirical Rule as well as the Central Limit Theorem.

A data set is described and then you imagine that you are conducting research in that area and some possible results.  You determine how those results would be interpreted and used in your field.

Deliverables/Grading Rubric

The deliverable is a Word document with your answers to the questions posed below based on the information provided and the assumptions you make. Below is the grading rubric for this assignment.

Category              Points   %            Description

Question 1           10          17%       Empirical rule

Question 2          20          33%       Central limit theorem

Question 3          20          33%         Normally distributed variables

Grammar and formatting             10          17%         Lab is easy to read and follow; correct grammar and spelling

Total      60          100%    A quality lab will meet or exceed all of the above requirements.

Required Software

Microsoft Word

Steps to Complete Week 4 Lab

Consider iron levels in a population that have a mean of 15.5 gdL and a standard deviation of 1.6 gdL. You are measuring the iron levels in one patient.

Question 1: Give an example of an iron level from the patient that would be considered unusual. Describe how you determined that such a level would be considered unusual, using the Empirical Rule

Rather than one patient, you are now measuring iron levels from a group of individuals.

Question 2: Assume a specific sample size. This would be the number of individuals in the group. Using that sample size, determine the range within which the group’s average iron level would be consider usual. Describe how you arrived at that range using the Central Limit Theorem and the Empirical Rule.

Consider a specific area of interest to you in the health sciences.

Question 3: Describe 3 variables or measures that would probably follow a normal distribution. Describe why you believe they would follow a normal distribution.

After typing your answers to the three questions, be sure your name is on the

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