A survey was conducted at Springdale High to find the number of hours students sleep at night. The histogram shows the data collected in this survey. Which statement about the number of hours students sleep is true? A. Seventeen students sleep between 6 and 8 hours at night. B. Seventeen students sleep for 6 hours at night. C. Ten students sleep for 4 hours at night. D. Six students sleep between 2 and 4 hours at night. E. Four students sleep for 10 hours at night.