... .10 This results in sensible numbers for the class boundaries and allows for comparisons with other series of observations that have different extrema, for example (.375, .892) or (.25, 1.11). ... x 2-values are tabulated in most statistical handbooks. An excerpt from the table for various levels of p is given: Table 1.25. Critical X2-Values for p = 0.975, 0.95,0.9, 0.1,0.05, ... Y. For example, for -7.2, -4.4, +0.3, +5.4, and +11.1 and the previous set, a figure of x2 of 0.163 is found. It is even better to use the averages of a series of measurements for the...