Monday, September 5, 2011

Just how normal are you?

The mean height of men (20 years and over) in the US is approximately 69.4 inches, with a standard deviation of 3.1 inches.

The mean height of women (20 years and over) in the US is approximately 63.8 inches, with a standard deviation of 2.7 inches.

According to the CDC.

But what does that mean?  How "interesting" is your height?  What would make a height interesting?

Personally, I (Mr. Babel am about at the 50th percentile for height.  How can the above information be used to determine my height.

This chapter is about the normal model and z-scores.  You will investigate these topics and be able to answer questions like the ones above.

What are other measurements that we talk about in terms of percentiles?  How are these percentiles calculated?

Go to the AP Stats wiki.  You have been assigned to a team study and post what you have learned about the normal model.

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