The following bar graph shows the sales of books (in thousands) from six branches of a publishing company during two consecutive years 2018 and 2019.
What is the average sales of all the branches (in thousands) for the year 2018?
Answer & explanation
Correct answer: option 3
Total sale of all the branches in year 2018
= 80 + 75 + 95 + 85 + 75 + 70
= 480
Average of sale of all the branches in year 2018 = \(\frac{480}{6}\)
= 80