Essentially, business superiority is far beyond just doing things right. It’s an methodology aiming at repeatedly delivering remarkable results to the audience while simultaneously minimizing costs and optimizing productivity. It requires a systematic method to improve every aspect of the business, spanning service development to delivery and as

The Chi-square test is a statistical tool used to examine the relationship between two or more categorical variables. It evaluates whether there is a substantial difference between the observed and expected frequencies in a dataset. The test depends on the concept of chi-square, which shows the sum of squared differences between the observed and ex