The graph shows the number of magazines borrowed by visitors at the local library on a Friday.
- How many visitors visited the local library that Friday?
- What was the average number of magazines borrowed by each visitor that Friday? Give your answer to the nearest whole number.
(a)
Total number of visitors
= 98 + 136 + 126 + 19 + 121
= 500
(b)
Total number of magazines borrowed
= 2 x 98 + 3 x 136 + 4 x 126 + 5 x 19 + 6 x 121
= 196 + 408 + 504 + 95 + 726
= 1929
Average number of magazines borrowed
= 1929 ÷ 500
= 3.858
≈ 4
Answer(s): (a) 500; (b) 4