Page 30 - Pharmaceutical Analytical Chemistry III
        P. 30
     Examination of the curve indicates the following facts:
• Very large errors are unlikely to occur; while smaller errors
   occur with great frequency.
• Positive & negative errors are equally probable.
                    0.8
                                                 This is a
                    0.6
                                              Gaussian or
          0.4 Normal Error Curve.
          0.2 Symmetrical about
          0 the mean.
Before talking about descriptive statistics lets see the difference
between Samples and Populations





