Answer:
Scout's tone is the questioning one of a young child. She is confused about the things that are happening in Calpurnia's church since they are quite different from the things that happen in hers.
Step-by-step explanation:
On page 137, Scout expresses confusion about the fact that there are no hymn books. She is not trying to be rude, but she does not understand why this church, unlike her own, is devoid of hymn books, and why the people that go to Calpurnia's church do not seem at all bothered by there absence.