Quest of Nine

The Book

Bar graphs

Click on an empty square to add a block to the column. Click on a coloured block to remove it.This simple bar graph can display up to ten blocks in ten sets of data
(a - j).

Or enter a number into the Tally

Select a sample graph and fill in the tally to match the graphs.

a
b
c
d
e
f
g
h
i
j
Tally