Question: 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 is shown. Significance level=0.1, test claim that each group read the same number of books.

Married 6 8 7 4 9 12 13 7 10 18 15

Single 2 3 5 11 3 5 11 12 16 4 0 1