In the early 2000s interest rates were low so many homeowners refinanced their home mortgages. Linda is a mortgage officer at Maybank Savings and Loan. Below is the amount refinanced for twenty loans...

 In the early 2000s interest rates were low so many homeowners refinanced their home mortgages. Linda is a mortgage officer at Maybank Savings and Loan. Below is the amount refinanced for twenty loans she processed last week. The data are reported in thousands of dollars and arranged from smallest to largest.

59.2 59.5 61.6 65.5 66.6 72.9 74.8 77.3 79.2

83.7 85.6 85.8 86.6 87.0 87.1 90.2 93.3 98.6

100.2 100.7

a. Find the mean, median, 1^stquartile and 3^rd quartile

b. Draw a stem and leaf plot of the data using class width of 10