Exercise

Computing Cohen's d

Now, using the same comparison of Weight difference between Sports, let's calculate the actual effect size for this comparison. As a reminder, these data are summarized in the boxplot below.

Boxplots of body weights of Olympic athletes from two sports

Using the formula seen in the previous video, calculate Cohen's d for the difference in Weight between each Sport. Your data is contained in athletes. pandas and math are loaded into your workspace as pd and ma.

Instructions

100 XP

Create two series, one for the samples from each Sport.
Calculate diff, the difference between the mean of each sample, and pooledstdev, the pooled standard deviation.
Calculate Cohen's d and print it.

Take Hint (-30 XP)