The table shows the number of books read by students: book (9 students), books (8), books (7), books (1). Find the mean number of books.
Answer and explanation
Correct answer: D.
- Step 1: Total books . Step 2. Mean . **Answer: . Why not the others:** is what you get if you average the four values . is what you get if you divide by instead of . is what you get if you average the frequencies.
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