The graph shows the number of novels borrowed by visitors at the local library on a Tuesday.
- How many visitors visited the local library that Tuesday?
- What was the average number of novels borrowed by each visitor that Tuesday? Give your answer to the nearest whole number.
(a)
Total number of visitors
= 76 + 45 + 25 + 69 + 85
= 300
(b)
Total number of novels borrowed
= 2 x 76 + 3 x 45 + 4 x 25 + 5 x 69 + 6 x 85
= 152 + 135 + 100 + 345 + 510
= 1242
Average number of novels borrowed
= 1242 ÷ 300
= 4.14
≈ 4
Answer(s): (a) 300; (b) 4