The temperature readings for 20 days at 4 AM at a local ski resort were recorded as follows: 24° −10° 9° 18° 23° 27° 8° 17° 3° 7°
−2° −6° 2° −9° −8° 21° 25° 15° 10° 29°
What was the average of the recorded temperatures for these 20 days? Round your answer to the nearest tenth.

Suppose babies born after a gestation period of 32 to 35 weeks have a mean weight of 25002500 grams and a standard deviation of 800800 grams while babies born after a gestation period of 40 weeks have a mean weight of 27002700 grams and a standard deviation of 385385 grams. if a 3232-week gestation period baby weighs 21252125 grams and a 4040-week gestation period baby weighs 23252325 grams, find the corresponding z-scores. which baby weighs lessless relative to the gestation period?