When trying to find the line of reflection, what is the first step that should be done?

The equation respenting the left table is

An equation where variables are used to represent known values—function notation true or false

Asurvey of 45 teens found that they spent an average of 25.6 hours per week in front of a screen (television, computer, tablet, phone, based on the survey’s sample mean, which value could be the population mean? 2.3 hours 27.4 hours 75.3 hours 41.5 hours