please explain each point and especially how did you look at table

2. A researcher surveyed married women and single women to ascertain whether there was a difference in the number of books each had read during the past year. The data are shown here. 2 3 5 11 6 127 Single Married 8 10 7 18 8 15 on GO 6 3 7 4 9 At 5% level of significance, can one conclude that each group read the same number of books? Use Wilcoxon Rank Sum Test