[填空题]
Peter owns a diary farm in New Plymouth, New Zealand,o:xxnh pjtawo8h*: vp 6d50a, where hundreds of cows a/erk0s,) c rh v98soc v.ku*txre bred for milk. In an effort of evaluating the cows productivity, he recorded the amount of milk that the /xvvo sk0c krr c9)8 .,hsetu*cows produce over 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.
