Question

Hours Students Spend on Homework in a Week Class Frequency 8-18 9 19-29 3 30-40 5 41-51 10 52-62 6 Step 2 of 2: Determine the upper class boundary for the first class.

Answer 1

Solution:

Class boundaries: The lower class boundry is found by subtracting 0.5 units from the lower class limit and the upper class boundry is found by adding 0.5 units to the upper class limit.

Class	frequency	class boundaries
8-18	9	7.5-18.5
19-29	3	18.5-29.5
30-40	5	29.5-40.5
41-51	10	40.5-51.5
52-62	6	51.5-62.5