Describe the weighting of grading factors.

Based upon the following information, the upper class limit of the lowest interval is:

Heights (in centimeters) of Patients 175-179 170-174 165-169 160-164 155-159 150-154 ? A) ?150 B) ?179 C) ?154 D) ?175

Chillers are commonly available in sizes from one-tenth to ten _______________

Fill in the blank(s) with correct word