Chart Plotting Exercise (9)

You should now record this value of u = 0.007 in the box provided on the chart...

Defects (c) 6 8                                                        
Sample Size (n) 950 1175                
Proportion (u = c / n) 0.006 0.007                

...and plot a point at the appropriate position on the 2nd vertical line on the u graph.

Notice that the two plots have been linked by a straight line. Do this on your printed chart now.