Below is a histogram showing the distribution of heights from a sample of 9569 randomly selected men who participated in a CDC study. The superimposed blue curve is a normal distribution that models the histogram.

The sample had a standard deviation of 3.0092186. Below is a summary of the data.

```
## Min. 1st Qu. Median Mean 3rd Qu. Max.
## 49.00 68.00 70.00 70.25 72.00 93.00
```