PLEASE EXPLAIN ALL CALUCALTIONS

A random sample of8 insurance salespeople spend making random phone calls to prospective clients a week. Their responses were as follows: 3.1269?943 Showing your work beside each question, ll in the following blanks with what is being asked {to 3 decimal places if necessary}: a] The average time per week per this sample of salespeople spend making phone calls is b} The median length oftime per week this sample of salespeople spend making phone calls is c] The mode length of time per week this sample ofsalespeople spend making phone calls is d} The range of time per week this sample of salespeople spend making phone calls is e] The distribution of time spent is symmetrical, left-skewed or right-skewed? How do you know this