Create Plotting_the_difference_distribution.py

Create Plotting_the_distribution.py

Create Calculating_confidence_intervals.py

Create Understanding_confidence_intervals.py

Create Checking_for_statistical_significance.py

Create Intuition_behind_statistical_significance.py

added get_sample_size function

Create Confirming_our_test_results.py

Create Calculating_the_sample_size,py

Create Exploring_the_power_calculation.py

Create Standard_error.py

Create Sensitivity.py

Create Conversion_rate_sensitivities.py

Create Experimental_units:Revenue_per_user_day.py

Create Visualizing_user_spending.py