universally. The scale is chosen depending on the information that the data is intending to represent. The four scales of measurement of data are nominal‚ ordinal‚ interval‚ and ratio. Each plays a different‚ yet very important role in the world of statistic a) Nominal scale Is the lowest level in scales of measurement? Is a way of grouping behavior‚ where actual numbers are simply labels or identifiers. -they do not put subjects in any particular order: no logical basis for the answers in each
Premium Probability theory Poisson distribution Normal distribution
Statistics is the study of the collection‚ organization‚ analysis‚ interpretation and presentation of data. It deals with all aspects of data including the planning of data collection in terms of the design of surveys and experiments. Descriptive statistics is the discipline of quantitatively describing the main features of a collection of information‚ or the quantitative description itself. Descriptive statistics are distinguished from inferential statistics (or inductive statistics)‚ in that
Premium Scientific method Population Level of measurement
Question 1 How can graphics and/or statistics be used to misrepresent data? Where have you seen this done? Answer: It is a well known fact that statistics can be misleading. They are often used to prove a point and an easily be twisted in favor of that point. Statistics‚ graphics and database are used in medical field to approve‚ prove or disapprove theories‚ analysis and interpretation of ailments‚ medications and its impact and treatment and its effectiveness. As noted by Nursing Research (2011)/
Premium Scientific method Mathematics Statistics
Trajico‚ Maria Liticia D. BSEd III-A2 REFLECTION The first thing that puffs in my mind when I heard the word STATISTIC is that it was a very hard subject because it is another branch of mathematics that will make my head or brain bleed of thinking of how I will handle it. I have learned that statistic is a branch of mathematics concerned with the study of information that is expressed in numbers‚ for example information about the number of times something happens. As I examined on what
Premium Psychology Learning Knowledge
ability to utilise mathematical skills to solve problems mentally. The marks scored by pupils generate statistics which are used by teachers to analyse a student’s performance and development of theories to explain the differences in performance. The Standard 3 class is where the transition from junior to senior level occurs where teachers expect the transference of concrete to abstract thinking would have occurred. A common theory by many primary school teachers is ‘Students perform better in
Free Median Standard deviation Arithmetic mean
Mathematics COURSE INFORMATION SHEET |Course Code |MTHS002 | |Course Title |Descriptive and Inferential Statistics | |Prerequisite |MTHS001 (College Algebra) | |Credit/No. of Units |3 units
Premium Frequency distribution Normal distribution Dimension
1.3.5.16. Kolmogorov-Smirnov Goodness-of-Fit Test Purpose: Test for Distributional AdequacyThe Kolmogorov-Smirnov test (Chakravart‚ Laha‚ and Roy‚ 1967) is used to decide if a sample comes from a population with a specific distribution. The Kolmogorov-Smirnov (K-S) test is based on the empirical distribution function (ECDF). Given N ordereddata points Y1‚ Y2‚ ...‚ YN‚ the ECDF is defined as \[ E_{N} = n(i)/N \] where n(i) is the number of points less than Yi and the Yiare ordered from smallest to
Premium Normal distribution
e-Business Plan: Competitor Analysis Every business has competition and prospective business owners ignore competitors at their peril. Unless a business has an absolute monopoly on a life-essential product‚ there will be competitors offering alternative and substitute products and services. That level of competition is revealed in the competitor analysis section of your e-business plan. A competitor analysis is an important requirement in any business plan because it (a) reveals the firm’s competitive
Premium Web search engine World Wide Web Google search
STAT 600 Statistics and Quantitative Analysis PROJECT: Stock return estimation The project must be done by 6-15 a.m. October‚ 16th. You should submit your projects before the class begins. This is a group project. Read the course outline for general guidelines. Good luck! The project is closely related to Lectures 1-5 of the class. Today is September 15‚ 2013 and you have just started your new job with a financial planning firm. In addition to studying for all your license exams‚ you have been
Premium Standard deviation Arithmetic mean Statistics
1. Introduction This report is about the case study of PAR‚ INC. From the following book: Statistics for Business an Economics‚ 8th edition by D.R. Anderson‚ D.J. Sweeney and Th.A. Williams‚ publisher: Dave Shaut. The case is described at page 416‚ chapter 10. 2. Problem statement Par‚ Inc. has produced a new type of golf ball. The company wants to know if this new type of golf ball is comparable to the old ones. Therefore they did a test‚ which consists out of 40 trials with the current
Premium Statistics Confidence interval Statistical hypothesis testing