ABSTRACT
In the previous chapters, the simulations included a large number of random samples of the same size from a normal distribution. We learned that with large sample sizes, t values and z values were similar, as were their frequency distributions. The chi-square distribution, like the t-distribution, is a function of sample size. There are an infinite number of chi-square curves based on sample size. In fact, as sample size increases, the chi-square distribution becomes symmetrical and bell-shaped (normal), but with a mean equal to the degrees of freedom (df) and mode equal to df −2.
