Discuss the following quality tools using illustrations and practical examples in kenya, clearly demonstrating to contribution each tool to quality improvement of a company$$s product or process.

i$.$ Check sheets $(5$MARKS$)$

ii$.$ Cause and effect diagram $(5$MARKS$)$

iii. Scatter diagrams $(5$MARKS$)$

iv$.$ Histogram $(5$MARKS$)$

v$.$ Graphs or flow charts $(5$MARKS$)$

vi$.$ Control charts $(5$MARKS$)$