Essays on Statistical analysis

Forecasting consists of two methods: quantitative and qualitative. The quantitative method displays three different time series applications, such as moving averages, exponential smoothing, and trend regression analysis. All three time series are valuable tools in business applications. This paper will describe the moving averages and identify the business applications and possible limitations of this quantitative…

How much is the Bet Performer worth based on comparable transactions? What ship is the best reference transaction? (the closest comparable)? Comparable transaction is a conventional method of evaluating the value of something that is ready for sale. To value a ship, one had to identify a set of “comparable” ships where comparability was based…

The research process Distinguish between an independent and a dependent variable Introduction Independent and dependent variables are arithmetical tools used in a research to keep trail of what’s going on. They permit you to uphold control over your research in a quantitative way. (Schwab, 2004, p. 65) Independent variable is a variable in an equation…

ANSWER: Sampling is that part of statistical practice concerned with the selection of an unbiased or random subset of individual observations within a population of individuals intended to yield some knowledge about the population of concern, especially for making predictions based on the statistical inference (Ader, Mellenberg & Hand: 2008). There are quite a number…

Random Error, Confounding, Effect Modification Although researchers do their best to reduce error within every study, there will always be error. It is important to identify and report any possible error within the research study in order to accurately interpret the research study’s findings. In epidemiologic research, the focus is on assessing confounding and effect…

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…

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…