8.1.1 notes (ebook only) 8.1.1 video example
8.1.2 notes (ebook only) 8.1.2 video example 8-25 (histogram example)
8.1.3 notes (ebook only) 8.1.3 video example
8.1.4 notes (ebook only) 8.1.4 video example
8.1.5 notes (ebook only) 8.1.5 video example
8.2.1 notes (ebook only) 8.2.1 video example
8.1.1 notes (regular book) 8.1.1 (book) video example
8.1.2 notes (regular book) 8.1.2 (book) video example