Final answer:
The phrase 'something out of kilter' from Sojourner Truth's speech exemplifies informal diction, which is characterized by conversational and everyday language.
Step-by-step explanation:
The diction "something out of kilter" in Sojourner Truth's "Ain't I a Woman?" speech is an example of informal diction. This type of diction is characterized by a conversational tone and may include colloquialisms, idioms, or figures of speech that are commonly used in everyday language. It contrasts with formal diction, which would use more elevated, standardized, or academic language.