A survey was conducted asking students from years $5$5, $6$6, $7$7 and $8$8 what eye colour they have.
The results are shown below using divided bar graphs.
Which grade has the largest percentage of brown-eyed children?
Which grade has the largest percentage of blue-eyed children?
Which grade has the smallest percentage of black-eyed children?
Which grade has no green-eyed children?
Which grade has the same percentage of green-eyed children as blue-eyed children?
Plan and conduct surveys and experiments using the statistical enquiry cycle:– determining appropriate variables and measures;– considering sources of variation;– gathering and cleaning data;– using multiple displays, and re-categorising data to find patterns, variations, relationships, and trends in multivariate data sets;– comparing sample distributions visually, using measures of centre, spread, and proportion;– presenting a report of findings