private static function printMeanEstimate(
        StatsEstimate $minEstimate,
        StatsEstimate $maxEstimate
    ) {
        $meanAverageCpc = self::calculateMeanMicroAmount(
            $minEstimate->getAverageCpc(),
            $maxEstimate->getAverageCpc()
        );

        $meanAveragePosition = self::calculateMean(
            $minEstimate->getAveragePosition(),
            $maxEstimate->getAveragePosition()
        );

        $meanClicks = self::calculateMean(
            $minEstimate->getClicksPerDay(),
            $maxEstimate->getClicksPerDay()
        );

        $meanTotalCost = self::calculateMeanMicroAmount(
            $minEstimate->getTotalCost(),
            $maxEstimate->getTotalCost()
        );

        printf(
            " Estimated average CPC: %s\n",
            self::formatMean($meanAverageCpc)
        );
        printf(
            " Estimated ad position: %s\n",
            self::formatMean($meanAveragePosition)
        );
        printf(" Estimated daily clicks: %s\n", self::formatMean($meanClicks));
        printf(
            " Estimated daily cost: %s\n\n",
            self::formatMean($meanTotalCost)
        );
    }