Exercise

Chi-square test

In this exercise, you will be working with the Olympics dataset. Here, we're going to look at the sex ratio of the American Olympic squads. Is a bias present? That is to say, does the ratio of male to female athletes significantly depart from 50-50? To test this, you'll need to perform a Chi-square test on the Sex data. Data on American athletes is provided as athletes. pandas, and plotnine have been loaded into the workspace as pd and p9.

Instructions

100 XP

Using value_counts(), extract the number of individuals of each Sex from athletes, saving the result as sexratio.
Perform a chisquare() test on sexratio and print the result.
Compare the p-value to the given alpha and print the message.