def METHOD_NAME(
    std: float,
    years_of_data: float,
    mean_difference: float,
    confidence_interval: float,
    avg_correlation: float,
) -> float:
    omega_difference = calculate_omega_difference(std, years_of_data, avg_correlation)
    confident_mean_difference = stats.norm(mean_difference, omega_difference).ppf(
        confidence_interval
    )
    return confident_mean_difference