A Statistical Test Essay

Due to financial hardship, the Nyke shoe company feels they only need to make one size of shoes, regardless of gender or height. They have collected data on gender, shoe size, and height and have asked you to tell them if they can change their business model to include only one size of shoes – regardless of height or gender of the wearer. In no more 5-10 pages (including figures), explain your recommendations, using statistical evidence to support your findings. The data found are below:

Cohen’s paper The Earth is Round (p>0.05) is a critique of null-hypothesis significance testing (NHST). In his article, Cohen presents his arguments about what is wrong with NHST and suggests ways in which researchers can improve their research, as well as the way they report their research. Cohen’s main point is that researchers who use NHST often misinterpret the meaning of p-values and what can be concluded from them (Cohen, 1994). Cohen also shows that the NHST is close to worthless. NHST is a way to show how unlikely a result would be if the null hypothesis were true. A Type I error is where the researcher incorrectly rejects a true null hypothesis and a Type II error is where the researcher incorrectly accepts the false null

In this paper I discuss the creation, distribution, and results of a psychological test. The test consisted of knowledge and self-report sections, which tested the construct of “The AZA and Zoos”. According to their website, The Association of Zoos and aquariums (AZA), is an independent, non-profit organization that grants an optional accreditation to zoos, aquariums, and wildlife sanctuaries. Institutions that meet their strict standards for animal welfare and care after a series of inspections and interviews are granted a five-year accreditation. In addition to their standards for animal care, they are also invested in conservation of species, and education of the general public (AZA, 2016). The knowledge portion evaluated general knowledge of the AZA policies and procedures, while the self-report evaluated overall opinion on Zoos. An example item for the knowledge portion was item three “An AZA accreditation is not necessary to operate a zoo “. An example item for the self-report portion was item 32 “I think zoos are a positive enrichment activity for children “. The intended survey population for this survey was the general population.

(1) A study of the number of cars sold looked at the number of cars sold at 500

3. Questions 3a through 3d are based on a distribution of scores with and the standard Draw a small picture to help you see what is required.

To view the research on a nominal scale, the research data can be drawn from the type of class. The word nominal is derived from the root word in Latin for name (Usable Stats, 2013). The name of the class, Psychological Statistics, is the nominal measurement for this research. When conducting this study, the study will only be measured during the course of this specific class. The results could drastically change when considering another type of class such as Quantitative Literacy as the cognitive understanding of such a collegic math class may be more optimal through a different course-delivery format.

Read the directions and write answers independently. 1. (L.2) Choose the sentence with correct capitalization and punctuation. A. Mrs. Brown catches the bus at the corner of Elm and N. Grove.

In order to receive full credit on calculated answers, please show your work. (Use Word's equation editors, etc., and/or provide a short written description as to how you obtained the final result.)

A pharmaceutical company is testing the effectiveness of a new drug for lowering cholesterol. As part of this trial, they wish to determine whether there is a difference between the effectiveness for women and for men. Using   = .05, what is the value the test statistic?

In responding to our study of the influence that statistical significance has on reviewers ' recommendations for the acceptance or rejection of a manuscript for publication (Atkinson, Furlong, & Wampold, 1982), Fagley and McKinney (1983) argue that reviewers were justified in rejecting the bogus study when nonsignificant

In Ioannidis’ essay, he goes into detail to explain that the lack of confirmation of research studies is a strategy for claiming that researchers have discovered a statistical significance in their data that proposes that their findings are true. Ioannidis also explains that the purpose of this is due to the misinterpretation and the lack of representation of p-values and true relationships. Another point that Ioannidis had confronted in his essay was the high amount of bias generated from design methods, data analysis, and the large motivation behind the study to have findings published. John touches base on the fact that smaller studies, smaller effect sizes, and the number of selected relationship results to research findings being false. Another issue that Ioannidis sheds light on is that numerous amounts researchers conduct research studies on the same topic of interest that may cause the researchers to falsify their data in order to beat his or her competitors also studying that same

In How to Lie with Statistics (Huff, 1954), Darrel Huff deciphers statistical examples and explains the means of deception that statistics and statisticians sometimes use to relay false information. Huff also conveys an underlying message of don’t believe everything you’re told, something him and my mother have in common. At first glance, a reader might think that this book will teach people how to actually lie using statistics, but that is not the case. It gives the reader a glimpse or a behind the curtain view of how easily it is to be deceived using numbers and how it is slyly achieved. Ironically he calls the book How to Lie with Statistics almost to tease his audience that the content in this book is not as it appears. To my utmost surprise, I actually rather enjoyed this book. It was a fairly simple read that was filled with new information and showed me how to look closer at statistical figures in the future. The humor was spot on so much, so that I even chuckled aloud occasionally. For the icing on the cake, I even expanded my vocabulary to learn fun words such as rotogravure.

Why does the sampling distribution of the mean follow a normal distribution for a large enough sample size, even though the population may not be normally distributed?

number 23 out of 30 top salaries in the league, they also had 96 wins

Major League Baseball is known as America’s favorite pastime, and MLB teams spend an extensive amount of money in the excess of a billion dollars with the ultimate goal to win the World Series. This learning team’s focus throughout this descriptive statistics paper is the MLB players’ performances, salaries, salary caps, and winning percentages. Though salaries will by no means be a trade for wins, the goal is to use the less experienced players and pay them a lower salary. Research has been done on whether or not player’s salaries and wins are connected.