Data Vizualization

Question 1

Transforming from the stacked x’s to the continuous variable curve is called

Answer 1

kernal densities and allows us to examine the area under the curve

The y-axis is scaled so that the whole area under the curve equals 1

Question 2

A percentile is

Answer 2

the area under the curve to the left. At the 10th percentile, 10% of the area under the curve is to the left. The median splits the distriubtion 50-50.