def METHOD_NAME(meta_data):
    x = meta_data
    y_avg = [meta_data[d]["mean"] for d in meta_data]
    y_mode = [meta_data[d]["mode"] for d in meta_data]
    y_median = [meta_data[d]["median"] for d in meta_data]
    y_std = [meta_data[d]["std"] for d in meta_data]
    y_num_samples = [len(meta_data[d]["data"]) for d in meta_data]
    return {
        "x": x,
        "y_avg": y_avg,
        "y_mode": y_mode,
        "y_median": y_median,
        "y_std": y_std,
        "y_num_samples": y_num_samples,
    }