Letecia's cousin Jupiter has been studying the age at which parents living in Avocado Park first became parents and found that the mean was 28.7, the standard deviation was 2.6 and the median was 27. a. If a 19-year old in Avocado Park has their first child tomorrow, what effect would that have on the mean, median and standard deviation? b. If a 28-year old in Avocado Park has their first child tomorrow, what effect would that have on the mean, median and standard deviation? c. If a 29-year old in Avocado Park has their first child tomorrow, what effect would that have on the mean, median and standard deviation?