Essays on Statistical hypothesis testing

Conducting a survey is often a useful way of finding something out, especially when `human factors’ are under investigation. Although surveys often investigate subjective issues, a well-designed survey should produce quantitative, rather than qualitative, results. That is, the results should be expressed numerically, and be capable of rigorous analysis. The data obtained from a study…

The case study that is being investigated is for a bottling company producing less soda than what is advertised. Customers have complained that the sodas in the bottles contain less than the advertised sixteen ounces. The employees at the company have measured the amount of soda contained in each bottle. There are thirty bottles that…

Introduction B. C. Henderson, A. Masli, V. J. Richardson, and J. M. Sanchez take a closer look at the relationship between layoffs and the compensation of the chief executive officer (CEO). Through quantitative research they discover that as the number of layoffs increase, CEOs’ bonus compensation decreases and their equity-based compensation increases (2010). Also in…

In order to compute the hypothesis test, a few determinations must be made first. In doing this, we compiled our data of both months of March and November of the past 30 years into an Excel spreadsheet (appendix). This compilation provided us with the x factor and our standard deviation. We then determined it was…