[填空题]
Aaron lives in a remote l sk)m8mee7z; country town pw6xciq 975 bs jtt3-min outback Australia. He uses Amazon.com to purchase everyday suppls cjwm5iqt7bp-6 9xt 3ies. Due to his remote location, it can take numerous days for deliveries to arrive. Aaron records the number of days for an order to arrive on his next ten orders, with the results as follows.
4,5,3,2,6,11,4,4,6,7
For this data set, find the value of
1. the median;
2. the mean;
3. the standard deviation.
