Thereare TWELVE(12)pagesin this Question Booklet including thecoverpage. Formula booklet be provided. will Univ er s j- t l Teknologi PETRONAS UNIVERSITI TEKNOLOGI P E T RO NA S @t C OU R S E DATE TIME GA B 2O13 82133. / SM BUSINESS STATISTICS / QUANTITATIVE METHOD 27 MAY2008(TUESDAY) 2 .3 0PM- 5.30PM ( 3 hour s) INSTRUCTIONS CANDIDATES TO 1. 2. 3. 4. Answer FIVE(5)outof SIX(6)questions theQuestion from Booklet. BeginEACHanswer a newpagein theAnswer on Booklet. lndicate clearly
Premium Normal distribution Standard deviation Arithmetic mean
Business Analytics: Unit 1: Descriptive Statistics and Mathematical Foundations Kaplan University March 23‚ 2014 Descriptive Statistics and Mathematical Foundations Part I: Pie Chart & Bar Graph This information regards T-100 Domestic Market’s boarding information during the previous year for the top seven airlines in the United Sates. According to the data Southwest Airlines boarded 81.1 million; Delta Airlines‚ 79.4 million; American Airlines‚ 72.6 million; United Airlines‚ 56.3 million;
Premium Standard deviation Airline Northwest Airlines
population parameter being estimated is the a. level of significance 5. To compute the minimum sample size for an interval estimate of μ‚ we must first determine all of the following except d. degrees of freedom 6. The use of the normal probability distribution as an approximation of the sampling distribution of [pic] is based on the condition that both np and n(1 – p) equal or exceed b. 5 7. The sample size that guarantees all estimates of proportions
Premium Normal distribution Sample size Confidence interval
a. Is it reasonable that the distribution of checking account balances approximates a normal distribution? Yes. Its reasonable because the sample size is large and and n -( increases the distribution of checking account balances approximates normal distribution. b. Determine the mean and the standard deviation for the sample of 60 customers. |Mean = |1516.667 | |Variance= |2637500 | |Std dev= |1624.038 | c. Compare the actual distribution
Premium Normal distribution Standard deviation Statistical hypothesis testing
Chapter 1: Introduction 1. Origin of Statistics: The word Statistics seems to have been derived from Latin word ‘Status’‚ German word ‘Statistik’ or Italian word ‘Statista’. Each of these means “Political State’. In ancient time governments used to collect the information regarding the population & the property of the State. In India an efficient system of collecting official and administrative statistics existed even more than 2000 Years ago‚ in particular‚ during the period of Chandra Gupta
Premium Statistics
Journal of Experimental Psychology: Human Perception and Performance 1985‚ Vol. I I ‚ No. 5. 640-649 Copyright 1985 by Ihe Am =an Psychological Association‚ Inc. 0096-1523/85/$00.75 Judging the Relatedness of Variables: The Psychophysics of Covariation Detection David M. Lane‚ Craig A. Anderson‚ and Kathryn L. Kellam Rice University Previous research on how people judge the relation between continuous variables has indicated that judgments of scatterplots are curvilinearly related to Pearson ’s
Premium Pearson product-moment correlation coefficient Correlation and dependence Spearman's rank correlation coefficient
providing a new benefit to its employees to encourage them to utilize public transportation. To study the potential of providing this benefit‚ the company would like to do a survey of the workers at a company to gather information on why do or do not use public transportation for commuting to work. The company is about 25‚000 people in areas where public transportation is available. You also want to find out the reasons why their choice is what it is. In this case self-administered questionnaire
Premium Employment Management Marketing
Lecture Notes on Introductory Statistics‚ I (P.P. Leung) Lecture notes are based on the following textbook: N.A. Weiss (2012)‚ Introductory Statistics‚ 9th edition‚ Pearson. Chapter 1 The Nature of Statistics 統計本質 §1.1 Two kinds of Statistics §1.4 Other Sampling Designs (其他抽樣方法) Chapter 1 The Nature of Statistics 統計本質 What is Statistics? 何謂統計? From Wikipedia‚ the free encyclopaedia: Statistics is a mathematical science pertaining to the collection‚ analysis‚ interpretation
Premium Sample Sampling Stratified sampling
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
Introduction According to Wikiversity: "Telecommunication is the transmission of signals over a distance for the purpose of communication. In earlier times‚ this may have involved the use of smoke signals‚ drums‚ semaphore‚ flags or heliograph. In modern times‚ telecommunication typically involves the use of electronic devices such as telephones‚ television‚ radio or computers.” | Telecommunication plays and increasing important role in
Premium Service Demographics Service system