Probability and statistics

at using either the critical value or the probability value (p-value). On one hand, the critical value is a value that indicates the boundary between the critical region and the non-critical region. In this case, the critical region is a range of values of the test statistic that denotes a significant difference and that the null hypothesis should be rejected. On the other hand, the p-value denotes the likelihood of obtaining an extreme sample statistic when the null hypothesis is true. In this…

List the probability value for each possibility in the binomial experiment that was calculated in MINITAB with the probability of a success being ½. (Complete sentence not necessary) P(x=0) P(x=6) P(x=1) P(x=7) P(x=2) P(x=8) P(x=3) P(x=9) P(x=4) P(x=10) P(x=5) 4. Give the probability for the following based on the MINITAB calculations with the probability of a success being ½. (Complete sentence not necessary) P(x?1) P(x<0) P(x>1) P(x?4) P(4 5. Calculate the mean and standard…

post graduate students have a higher intention of creating a new business in the next 5 years (36.2%), while the intention of undergraduate students is just 18.4% (See Table 1.13) 3.4 FINDING 3: RELIABILITY ANALYSIS Analysing reliability statistics regarding question: Creating a new company or becoming an entrepreneur would mean for you, and considering that Cronbach’s Alpha indicator is the reliability index of the scale, taking into account the 7 variables of the question, the degree…

Statistics review: Role of statistics in animal sciences Abstract This review throws the light on applications of statistics in animal sciences, and answering the question of how are statistics playing a vital role in veterinary field and biology .Also it presents different statistical methods that can be used in different studies. The basic statistical concepts should be known. The subject of statistics includes, design of a study that it will provide the biologist with the most information…

employee in the sample took a statistics course or not. Ace would like to examine this data in order to prepare analysis report to the management team. Statistical Results 1. In this study of test scores and took statistics course, each variable in the sample data is characterized by creating a histogram and pie chart, respectively. According to the “Histogram of Test Scores”, Appendix A(2), the data can be described as normally distributed. The descriptive statistics result for the variable…

Darrell Huff masterfully writes How to Lie With Statistics which covers many of the statistic gathering and displaying methods used today, from carefully picked averages to well chosen samples. He does not simply discuss these methods, however. He spectacularly demonstrates how companies, colleges, and quite often media sources use these tools to manipulate data into their favor. While it may appear to be fairly outdated to the casual reader, Darrell Huff's book still applies today, over…

Utilizing the information from the table above the mean, median and standard deviation will be calculated. The mean equals the average of the sample by adding all the values of the samples and then dividing by the total number of items. The mean for the samples collected is 14.87 ounces which rounded up 14.9 ounces. The median is calculated to be 14.8 ounces. The median is calculated by averaging the data in order and finding the midway point of the data set. Last to find is to find the…

that though statistics do not need to be avoided, they do, however, need to be evaluated. She also emphasizes that the misleading information found in some statistics is not always the product of careless work. Sometimes these lies happen completely on accident. Wolf also stresses that statistics do not represent the entire population, but rather a probability. Because of this, any statistic has the potential to be misleading. The article begins by explaining misleading statistics and provides…

Making Cents of Statistics: Flipping a Coin to Analyze the Law of Large Numbers in a Classroom Setting Introduction Flipping a coin is a simple action most people have seen or done. But what results would one yield if they flipped a coin one hundred time. The Law of Large Numbers addresses the results that are almost certain. The Law of Large Numbers is “A law expressing the fact that if a trial in which all outcomes are independent of each other and equally likely is repeated, then the…

the possible fixes to the problem? What are the consequences of the fixes? Problem 1: The residuals should be normally distributed. This can be detected visually using the standardized normal probability plot and histogram. If all the residuals are not within two standard deviations in the normal probability plot or form a bell curve in the histogram, then they are not normally distributed. When the residuals are not normally distributed, it means the…