A book publisher publishes both fiction and nonfiction books. Let F represent the number of words, per chapter, for fiction books, and let N represent the number of words, per chapter, for nonfiction books. The standard deviation of
the total amount, S = F+N, is 195.3 words. What is the interpretation of this value?
The mean number of words per chapter will vary from book to book.
On average, there are 195.3 words total in a typical chapter of either genre of book.
O This publisher can expect the total number of words per chapter to vary by approximately 195.3 words from the
mean.
O If we combine the fiction and nonfiction books from this publisher, the average number of words per chapter will
change by 195.3.