Page 71 - Pharmaceutical Analytical Chemistry III
P. 71

Example

Construct the regression line of the following data,
calculate r, a and b. Then find the unknown conc. (in
ppm) of a sample giving response 15.2 (using equation
and by interpolation)

Riboflavin (ppm)  Response
       0.05          2.2
      0.100          5.80
      0.200
      0.400         12.20
      0.800         22.30
                    43.30
   66   67   68   69   70   71   72   73   74   75   76