Why would you expect to be able to see a deviation of 0.27 on a graph that goes from 0 to 60? That is a change less than 0.5%. The numbers quoted aren't read f

Why would you expect to be able to see a deviation of 0.27 on a graph that goes from 0 to 60? That is a change less than 0.5%. The numbers quoted aren't read from the graphs, but rather the graphs and the numbers are derived from a table of data.