[填空题]
Aaron lives in a remote country town in outback Australia. He uses xptk*cbb8: ,v Amazon.cg)v/ h1ap5bx:o)pmns m:)dq nom to purchase everyday supplies. 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 nv hbso)m:)g a x pp5m/:n1)qdnext 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.