Refer to the following distribution: I T Frequency 2 5 Cost of Textbooks $25 up to...
Refer to the following distribution: Cost of Textbooks $25 up to $35 $35 up to $45 $45 up to $55 $55 up to $65 $65 up to $75 Frequency 2 5 7 20 16 What is the class midpoint for the $45 up to $55 class? Multiple Choice $49 $50.5 $49.5 $50