Life Span of Cats (in years) The life spans of eight different cats were used to create the box plot shown above. Which of the following is the interquartile range of the set of life spans?

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