Ms. sanchez’s students were asked how many hours they spend participating in organized sports each week. each row of the table represents one sample from the class.  number of hours playing sports55306224523430140436what is the mean of the sample in the third row? 2.22.83.03.4

The birth weights of newborn babies in the unites states follow in a normal distrubution with a mean of 3.4 kg and standard deviation of 0.6 kg. reaserches interested in studying how. children gain weights decide to take random samples of 100 newborn babies and calculate the sample mean birth weights for each sample