[Please use 3 decimal places in your charts for the problems in this exam.] An electronics company is interested in determining the relationship between number of social media accounts and number of devices owned/used by those in the 10-16 age range. They collect the following contingency table of data: # social media accounts 0 1 2 3 # devices 1 42 8 9 17 2 18 14 9 33 3 9 6 18 14 What is the average number of social media accounts held by these children? Answer: