[填空题]
Peter owns a diary farm in Nems;(,qk .- y4yqc5m opaqs3c )4l.j4cmygm gxw Plymouth, New Zealand, where hundreds of cowca .dqoh38us8-zrv(q s are bred for milk. In an effort of evaluating the cows productivity, he recorded the amount of milk that the cows produce o c8o( dqsuq-vah.z83rver several days. The following box-and-whisker diagram represents the summary of the data.
1. Write down the median amount of milk that a diary cow produces per day at his farm. liters per day
2. Write down the lower and upper quartiles. $Q_1$ liters per day $Q_2$ liters per day
3. Find the interquartile range.
The amount of milk that these cows produce each day is known as being normally distributed.
4. Find the lowest amount of milk that a cow can produce and still not be considered an outlier.
