Use the minimum and maximum data entries and the number of classes to find the class width, the lower class limits, and the upper class limits. min = 14, max = 121, 8 classes

The  class width is  

Step-by-step explanation:

From the question we are told that

 The  upper class limits is

  The  lower class limits is  

   The number of classes is  

The class width is mathematically represented as  

substituting values

Since

company a

step-by-step explanation:

using the linear regression models , it is found that company a   pays about $14 more. but using the same regression (linear) company b pays about $10 more.

so company a pays more than b

i think the answer is b