density. The characteristic s that has the most influence on RCP is the skew of the distribution and polydispersity. Polydispersity is when the particles are not the same size, shape and mass. Figure 1: A diagram showing the two extreme forms of skewness.4 For a negative skew, shown in figure 1, the effect of polydispersity does not have as much of an effect on the packing density as the positive skew. A negative skew, larger proportion of large particles, will have most of the volume occupied by
The data set used for this assignment was the grades.sav data file. The variables used were gender, GPA, total, and final. GPA and final were used in the histogram scales, along with skewness, kurtosis values, and scatter plot. This assignment included a sample size of (N) 105. Testing Assumptions There are two histograms, showing information on GPA, and showing information on final grade. Histograms are commonly used with interval or ratio level data (Corty, 2007). The data in the GPA is distributed
Fantasy Football – Maths Coursework – Statistics My coursework is based on the game ‘Fantasy Football’ which is ran by the British newspaper called ‘The Sun’. Fantasy Football is a competition based on building your own ‘dream team’ and collecting points to try and have the most points at the end of the season with your team, to win the cash prize. All the players from the English Premiership are used and a scoring system is used to see how well the players are doing and who has
Introduction Nervous habits also identified as body focused repetitive behaviors (BFRBs) are behaviors that occur repeatedly across situations and consist of undesired repetitive, manipulative, problematic and or destructive behaviors directed toward the body such as hand-to-head (e.g., hair pulling, hair twirling), hand-to-mouth (e.g., nail biting, thumb sucking), hand-to-body (e.g., skin picking, skin scratching), and oral behaviors (e.g., teeth grinding, mouth biting) and are often seen to play
Statistical Report Introduction Anthropometric measurements are mainly concerned with assessing a person’s body composition in order to determine their nutrition status. In terms of composition, it assesses the density, fat, subcutaneous fat and the relative muscle mass. Such components provide valuable insights on an individual’s nutrition status, which is influenced by various factors including the quantity and quality of food intake, and a person’s physical health. As such, two extreme variations
Investigating the Relationship Between the Length and Width of a Leaf Aim: To investigate if there is a relationship between the length and width of the leaves. I will also investigate summary measures to represent my data. Data Collection: I choose to collect my leaves from a tree in my back garden, as it was easy to access. I picked the leaves from different places and different heights around the tree so that my sample of leaves would be random. I choose
EE287- Tutorial on Timing logic • How to time logic? • Underlying equations • Methods used • Why these are used? • Assumptions made • Worked example consisting of at least 3 gates • Pictures, tables and graphs if required. 1. CLOCK: Being students of Electrical Engineering, clock plays a vital role in our digital world. By mentioning clock, I mean “digital clock signal” (clk). It is basically a voltage signal which is similar to a square wave that consists of two voltage levels: High (varies with
Statistics Experiment Statistics Hypothesis- In my investigation I plan to find out whether my theory that year 10 pupils are better at estimating the length of a stick than year 7 pupils. Plan- In my investigation I plan to use secondary data gathered from both year 7 and year 10 pupils, which I will then do a random sample of which will be used to find the mean, median, mode, range as well as standard deviation which I will then put into groups and frequency tables to compare and from
The effect of temperature on the beetroot membranes Aim of the research: The aim of this investigation is to determine what kind of effect will the increasing temperature have on the plasma membrane of a beetroot cell. Introduction The beetroot contains a red pigment that is kept in the cells by the membranes. If the membranes are damaged, the pigment “betalain” will leek out. The amount of pigment that leeks out can be assessed, as “betalain” will colour any water that surrounds the cell
maximum, skewness and kurtosis. 3. Inferential statistics concerned with generalizing from a sample to make estimates and inferences about a wider population (Neuman, 2003... ... middle of paper ... ....e. more than 30 (Hair et al., 2006). Sekaran (2003) suggests the approximation to normality of the observed variables could be investigated by inspecting the data through histograms, stem-and leaf displays, probit plots and by computing univariate and multivariate measures of skewness and kurtosis
• Numeric variables have values that describe a measurable quantity as a number, like 'how many' or 'how much'. Therefore numeric variables are quantitative variables. Categorical variables have values that describe a 'quality' or 'characteristic' of a data unit, like 'what type' or 'which category'. Therefore, categorical variables are qualitative variables and tend to be represented by a non-numeric value. A continuous variable is a numeric variable. Observations can take any value between a certain
7.3 7.6 8.1 8.2 8.5 9.2 9.3 9.5 9.5 15.2 Range: 7.9 Sum: 92.4 Mean: 9.24 Median: 8.85 Mode: 9.5 Standard Deviation: 2.237 Skewness: 1.955 Kurtosis: 5.706 There exists difference within the groupings because every variable including but not limited to Kurtosis, skewness, count, minimum, and maximum have different values. Only the second group possesses an outlier as the response time is escalated for the group. New Data Doubled: Group 1: 2.2
3.4.1 Color feature extraction Color moments are the measures that describe the color distribution of an image and the central moments are used to describe a probability distribution. Main purpose of color moment is to form the color indexing for image retrieval applications. The color moments are invariant for scaling and rotation. Here, the first three order moments are used as features for image retrieval. Three color moments are calculated for each channel. For example, 9 color moments are
The Essentials of Studying Statistics Introduction Making effective business decisions are always based on cost, time and prospect. Calculating money cost, time cost and forecast of return, all are based on marketing research, data mining, information analysis and findings. The way of the finding the answer is statistics. Statistics – The Method of Organizing Data Broadly, statistics is a set of disciplines for study quantitative information. Implied that several methods used to collect
transported from and to the beach even though the energy is equal to the backwash, these include flow acceleration, bore turbulence, settling lag, off-shore directed velocity skewness, scour lag and sediment advection from the surf zone (Masselink & Puleo, 2006). This allows for a compensation of the offshore directed velocity skewness however the importance of each of these factors depends on the type of swash
Introduction For this SPSS final assignment, we will follow our step by step to create supporting statistical output that will include graphs and tables that will assimilate our text and the appropriate data set in their correct place within our research document. Then analyze and explain each section and the variables so that we can gain a much better understanding of the one-way ANOVA and GPA. Description of Data File For our data set, we will explore the association amongst quiz 3 and the section
Summary This report analyses social and economic factors such as, risk of poverty, employment rate and population completed at least upper secondary education. In this report you can find summary of the data, descriptive statistics, correlation and regression analysis, which shows that poverty has a small negative relationship with employment rate and negative relationship with education. Thus, this means if countries would increase employment rate and increase number of people who finish secondary
As children, we depend on the world to show us how we should behave. We observe the world to see how we should act and when it is the proper time to act a certain way. In psychology this is called observational learning. Observational learning starts when infants began to imitating their parent’s behaviors. It is often found that children’s behavior (expression of emotion) results from observing their parents. In most cases, adults have the same behavior as they did when they were younger. In
adaptively based on the changing demand. We use the skewness metric to combine Virtual Machines (VMs) with different resource characteristics appropriately so that the capacities of servers are well utilized. Our algorithm achieves both overload avoidance and green computing for systems with multi resource constraints. Key Terms: Cloud computing, Resource Management, Virtualization, Overload Avoidance, Green Computing, Virtual Machine Monitor, Skewness 1. Introduction The notion of Cloud computing has
Background and Rationale Obsessive compulsive disorder is a psychiatric disorder, formulated of unwanted and repeated thoughts leading to extreme and obsessive behavior to avoid those thoughts. People who have OCD will never be satisfied regarding their cleanliness, always thinking they are not clean enough. Antidepressants are used as a common medication for this disorder. Although patients usually wait for years before they seek medical help, they deny at first that they have problem. It may be