The Normal CDF
Now that you have a feel for how the Normal PDF looks, let's consider its CDF. Using the samples you generated in the last exercise (in your namespace as samples_std1
, samples_std3
, and samples_std10
), generate and plot the CDFs.
This exercise is part of the course
Statistical Thinking in Python (Part 1)
Exercise instructions
- Use your
ecdf()
function to generate x and y values for CDFs:x_std1, y_std1
,x_std3, y_std3
andx_std10, y_std10
, respectively. - Plot all three CDFs as dots (do not forget the
marker
andlinestyle
keyword arguments!). - Hit submit to make a legend, showing which standard deviations you used, and to show your plot. There is no need to label the axes because we have not defined what is being described by the Normal distribution; we are just looking at shapes of CDFs.
Hands-on interactive exercise
Have a go at this exercise by completing this sample code.
# Generate CDFs
# Plot CDFs
# Make a legend and show the plot
_ = plt.legend(('std = 1', 'std = 3', 'std = 10'), loc='lower right')
plt.show()