Ch12 Alt Text

[pancakereport]

• 12.1 smoking_and_birthweight.hist('Birth Weight', group = 'Maternal Smoker')
• 12.1 plots.title('Prediction Under the Null Hypothesis');
• 12.1 smoking_and_age.hist('Maternal Age', group = 'Maternal Smoker')
• 12.1 plots.scatter(observed_age_difference, 0, color='red', s=40, zorder=3)
• 12.2 plots.scatter(observed_distance, 0, color='red', s=40, zorder=3)
• 12.3 plots.scatter(observed_difference, 0, color='red', s=30, zorder=3)