Samar is conducting research about comedian and actress lucille ball. which of her sources are secondary sources? check all that apply.

a book about ball’s impact as a performer
a television interview with ball
one of ball’s acceptance speeches
a review of ball’s television show
a chapter from ball’s autobiography
an interview with ball’s costars

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Explanation:

The secondary sources from the presented about Lucille ball are:

a book about Ball’s impact as a performer

a review of Ball’s television show

Explanation:

Secondary sources of research are materials that don't have participation from the person we are researching. In other words, they might talk about them but not count on their collaboration or participation. In this case, the ones that cover those characteristics are:

a book about Ball’s impact as a performer

a review of Ball’s television show

The reason behind is because Lucille wrote her autobiography and in the interview, while she didn't participate in the review and the book about her impact as a performer.  

there is no excerpt.

put the excerpt in the comments and ill answer.