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# Unit 4 Discussion Am I Normal Instructions: The average height for all males is 69.3 inches with a standard deviation

Unit 4 Discussion – Am I Normal?
Instructions:
The average height for all males is 69.3 inches, with a standard deviation of 2.8 inches. For females, the average height is 64 inches, and the standard deviation is 2.8.
These are population values. For this week’s discussion, you will calculate a z-score based on your own height and determine whether your score is within the 95
% normal range or if it is out of that range and considered unusual.
Measure your height as precisely as possible to a tenth of an inch. For example, 5’2 ¼” would be 62.3 inches tall.
Calculate the z-score based on population values for males or females.
Use the formula:
z= (x-µ)/? where x is your height in inches.
Calculate the normal range by creating the interval that is within 2 standard deviations of the population mean.
Multiply the population standard deviation by 2 and then add/subtract from the population mean.