The following table summarizes findings from a study done by Apple concerning working conditions in factories operated by its suppliers. Under pressure from consumers concerned about working condition

The following table summarizes findings from a study done by Apple concerning working conditions in factories operated by its suppliers. Under pressure from consumers concerned about working conditions in China, Apple visited its suppliers and evaluated the labour conditions. Several problem areas surfaced.

Issue

Percentage

Supplier does not limit working hours per week

62

Supplier does not comply with rules for hazardous substances

32

Supplier does not follow Apple’s safety standards

35

(a) Would it be appropriate to summarize these responses together in a single bar chart?

(b) What sort of chart would you recommend summarizing these results?